[ioquake3] 33/59: OpenGL2: Store normals/tangents as int16_t[4].
Simon McVittie
smcv at debian.org
Wed Sep 21 19:57:06 UTC 2016
This is an automated email from the git hooks/post-receive script.
smcv pushed a commit to branch debian/master
in repository ioquake3.
commit dfbaf5032437426f40599b2a617453511f6d550a
Author: SmileTheory <SmileTheory at gmail.com>
Date: Tue Sep 6 00:57:15 2016 -0700
OpenGL2: Store normals/tangents as int16_t[4].
---
code/renderergl2/tr_animation.c | 2 +-
code/renderergl2/tr_bsp.c | 205 +++++++-------------
code/renderergl2/tr_curve.c | 6 +-
code/renderergl2/tr_extensions.c | 17 --
code/renderergl2/tr_init.c | 2 -
code/renderergl2/tr_local.h | 33 ++--
code/renderergl2/tr_main.c | 363 +++--------------------------------
code/renderergl2/tr_marks.c | 23 ++-
code/renderergl2/tr_model.c | 89 +++++----
code/renderergl2/tr_model_iqm.c | 15 +-
code/renderergl2/tr_shade_calc.c | 24 +--
code/renderergl2/tr_surface.c | 398 +++++----------------------------------
code/renderergl2/tr_vbo.c | 147 ++++-----------
13 files changed, 285 insertions(+), 1039 deletions(-)
diff --git a/code/renderergl2/tr_animation.c b/code/renderergl2/tr_animation.c
index 53e5ee9..4f333cb 100644
--- a/code/renderergl2/tr_animation.c
+++ b/code/renderergl2/tr_animation.c
@@ -412,7 +412,7 @@ void RB_MDRSurfaceAnim( mdrSurface_t *surface )
tess.xyz[baseVertex + j][1] = tempVert[1];
tess.xyz[baseVertex + j][2] = tempVert[2];
- R_VaoPackNormal((byte *)&tess.normal[baseVertex + j], tempNormal);
+ R_VaoPackNormal(tess.normal[baseVertex + j], tempNormal);
tess.texCoords[baseVertex + j][0][0] = v->texCoords[0];
tess.texCoords[baseVertex + j][0][1] = v->texCoords[1];
diff --git a/code/renderergl2/tr_bsp.c b/code/renderergl2/tr_bsp.c
index 6abfd25..dbd3932 100644
--- a/code/renderergl2/tr_bsp.c
+++ b/code/renderergl2/tr_bsp.c
@@ -667,6 +667,63 @@ static shader_t *ShaderForShaderNum( int shaderNum, int lightmapNum ) {
return shader;
}
+void LoadDrawVertToSrfVert(srfVert_t *s, drawVert_t *d, int realLightmapNum, float hdrVertColors[3])
+{
+ vec4_t v;
+
+ s->xyz[0] = LittleFloat(d->xyz[0]);
+ s->xyz[1] = LittleFloat(d->xyz[1]);
+ s->xyz[2] = LittleFloat(d->xyz[2]);
+
+ s->st[0] = LittleFloat(d->st[0]);
+ s->st[1] = LittleFloat(d->st[1]);
+
+ if (realLightmapNum >= 0)
+ {
+ s->lightmap[0] = FatPackU(LittleFloat(d->lightmap[0]), realLightmapNum);
+ s->lightmap[1] = FatPackV(LittleFloat(d->lightmap[1]), realLightmapNum);
+ }
+ else
+ {
+ s->lightmap[0] = LittleFloat(d->lightmap[0]);
+ s->lightmap[1] = LittleFloat(d->lightmap[1]);
+ }
+
+ v[0] = LittleFloat(d->normal[0]);
+ v[1] = LittleFloat(d->normal[1]);
+ v[2] = LittleFloat(d->normal[2]);
+
+ R_VaoPackNormal(s->normal, v);
+
+ if (hdrVertColors)
+ {
+ v[0] = hdrVertColors[0];
+ v[1] = hdrVertColors[1];
+ v[2] = hdrVertColors[2];
+ }
+ else
+ {
+ //hack: convert LDR vertex colors to HDR
+ if (r_hdr->integer)
+ {
+ v[0] = MAX(d->color[0], 0.499f);
+ v[1] = MAX(d->color[1], 0.499f);
+ v[2] = MAX(d->color[2], 0.499f);
+ }
+ else
+ {
+ v[0] = d->color[0];
+ v[1] = d->color[1];
+ v[2] = d->color[2];
+ }
+
+ }
+ v[3] = d->color[3] / 255.0f;
+
+ R_ColorShiftLightingFloats(v, s->vertexColors, 1.0f / 255.0f);
+}
+
+
/*
===============
ParseFace
@@ -714,50 +771,7 @@ static void ParseFace( dsurface_t *ds, drawVert_t *verts, float *hdrVertColors,
ClearBounds(surf->cullinfo.bounds[0], surf->cullinfo.bounds[1]);
verts += LittleLong(ds->firstVert);
for(i = 0; i < numVerts; i++)
- {
- vec4_t color;
-
- for(j = 0; j < 3; j++)
- {
- cv->verts[i].xyz[j] = LittleFloat(verts[i].xyz[j]);
- cv->verts[i].normal[j] = LittleFloat(verts[i].normal[j]);
- }
- AddPointToBounds(cv->verts[i].xyz, surf->cullinfo.bounds[0], surf->cullinfo.bounds[1]);
- for(j = 0; j < 2; j++)
- {
- cv->verts[i].st[j] = LittleFloat(verts[i].st[j]);
- //cv->verts[i].lightmap[j] = LittleFloat(verts[i].lightmap[j]);
- }
- cv->verts[i].lightmap[0] = FatPackU(LittleFloat(verts[i].lightmap[0]), realLightmapNum);
- cv->verts[i].lightmap[1] = FatPackV(LittleFloat(verts[i].lightmap[1]), realLightmapNum);
-
- if (hdrVertColors)
- {
- color[0] = hdrVertColors[(ds->firstVert + i) * 3 ];
- color[1] = hdrVertColors[(ds->firstVert + i) * 3 + 1];
- color[2] = hdrVertColors[(ds->firstVert + i) * 3 + 2];
- }
- else
- {
- //hack: convert LDR vertex colors to HDR
- if (r_hdr->integer)
- {
- color[0] = MAX(verts[i].color[0], 0.499f);
- color[1] = MAX(verts[i].color[1], 0.499f);
- color[2] = MAX(verts[i].color[2], 0.499f);
- }
- else
- {
- color[0] = verts[i].color[0];
- color[1] = verts[i].color[1];
- color[2] = verts[i].color[2];
- }
-
- }
- color[3] = verts[i].color[3] / 255.0f;
-
- R_ColorShiftLightingFloats( color, cv->verts[i].vertexColors, 1.0f / 255.0f );
- }
+ LoadDrawVertToSrfVert(&cv->verts[i], &verts[i], realLightmapNum, hdrVertColors ? hdrVertColors + (ds->firstVert + i) * 3 : NULL);
// copy triangles
badTriangles = 0;
@@ -823,7 +837,7 @@ ParseMesh
*/
static void ParseMesh ( dsurface_t *ds, drawVert_t *verts, float *hdrVertColors, msurface_t *surf ) {
srfBspSurface_t *grid = (srfBspSurface_t *)surf->data;
- int i, j;
+ int i;
int width, height, numPoints;
srfVert_t points[MAX_PATCH_SIZE*MAX_PATCH_SIZE];
vec3_t bounds[2];
@@ -858,49 +872,7 @@ static void ParseMesh ( dsurface_t *ds, drawVert_t *verts, float *hdrVertColors,
verts += LittleLong( ds->firstVert );
numPoints = width * height;
for(i = 0; i < numPoints; i++)
- {
- vec4_t color;
-
- for(j = 0; j < 3; j++)
- {
- points[i].xyz[j] = LittleFloat(verts[i].xyz[j]);
- points[i].normal[j] = LittleFloat(verts[i].normal[j]);
- }
-
- for(j = 0; j < 2; j++)
- {
- points[i].st[j] = LittleFloat(verts[i].st[j]);
- //points[i].lightmap[j] = LittleFloat(verts[i].lightmap[j]);
- }
- points[i].lightmap[0] = FatPackU(LittleFloat(verts[i].lightmap[0]), realLightmapNum);
- points[i].lightmap[1] = FatPackV(LittleFloat(verts[i].lightmap[1]), realLightmapNum);
-
- if (hdrVertColors)
- {
- color[0] = hdrVertColors[(ds->firstVert + i) * 3 ];
- color[1] = hdrVertColors[(ds->firstVert + i) * 3 + 1];
- color[2] = hdrVertColors[(ds->firstVert + i) * 3 + 2];
- }
- else
- {
- //hack: convert LDR vertex colors to HDR
- if (r_hdr->integer)
- {
- color[0] = MAX(verts[i].color[0], 0.499f);
- color[1] = MAX(verts[i].color[1], 0.499f);
- color[2] = MAX(verts[i].color[2], 0.499f);
- }
- else
- {
- color[0] = verts[i].color[0];
- color[1] = verts[i].color[1];
- color[2] = verts[i].color[2];
- }
- }
- color[3] = verts[i].color[3] / 255.0f;
-
- R_ColorShiftLightingFloats( color, points[i].vertexColors, 1.0f / 255.0f );
- }
+ LoadDrawVertToSrfVert(&points[i], &verts[i], realLightmapNum, hdrVertColors ? hdrVertColors + (ds->firstVert + i) * 3 : NULL);
// pre-tesseleate
R_SubdividePatchToGrid( grid, width, height, points );
@@ -964,49 +936,7 @@ static void ParseTriSurf( dsurface_t *ds, drawVert_t *verts, float *hdrVertColor
ClearBounds(surf->cullinfo.bounds[0], surf->cullinfo.bounds[1]);
verts += LittleLong(ds->firstVert);
for(i = 0; i < numVerts; i++)
- {
- vec4_t color;
-
- for(j = 0; j < 3; j++)
- {
- cv->verts[i].xyz[j] = LittleFloat(verts[i].xyz[j]);
- cv->verts[i].normal[j] = LittleFloat(verts[i].normal[j]);
- }
-
- AddPointToBounds( cv->verts[i].xyz, surf->cullinfo.bounds[0], surf->cullinfo.bounds[1] );
-
- for(j = 0; j < 2; j++)
- {
- cv->verts[i].st[j] = LittleFloat(verts[i].st[j]);
- cv->verts[i].lightmap[j] = LittleFloat(verts[i].lightmap[j]);
- }
-
- if (hdrVertColors)
- {
- color[0] = hdrVertColors[(ds->firstVert + i) * 3 ];
- color[1] = hdrVertColors[(ds->firstVert + i) * 3 + 1];
- color[2] = hdrVertColors[(ds->firstVert + i) * 3 + 2];
- }
- else
- {
- //hack: convert LDR vertex colors to HDR
- if (r_hdr->integer)
- {
- color[0] = MAX(verts[i].color[0], 0.499f);
- color[1] = MAX(verts[i].color[1], 0.499f);
- color[2] = MAX(verts[i].color[2], 0.499f);
- }
- else
- {
- color[0] = verts[i].color[0];
- color[1] = verts[i].color[1];
- color[2] = verts[i].color[2];
- }
- }
- color[3] = verts[i].color[3] / 255.0f;
-
- R_ColorShiftLightingFloats( color, cv->verts[i].vertexColors, 1.0f / 255.0f );
- }
+ LoadDrawVertToSrfVert(&cv->verts[i], &verts[i], -1, hdrVertColors ? hdrVertColors + (ds->firstVert + i) * 3 : NULL);
// copy triangles
badTriangles = 0;
@@ -1849,8 +1779,8 @@ static void CopyVert(const srfVert_t * in, srfVert_t * out)
#ifdef USE_VERT_TANGENT_SPACE
VectorCopy4(in->tangent, out->tangent);
#endif
- VectorCopy(in->normal, out->normal);
- VectorCopy(in->lightdir, out->lightdir);
+ VectorCopy4(in->normal, out->normal);
+ VectorCopy4(in->lightdir, out->lightdir);
VectorCopy2(in->st, out->st);
VectorCopy2(in->lightmap, out->lightmap);
@@ -3193,7 +3123,14 @@ void R_CalcVertexLightDirs( void )
case SF_GRID:
case SF_TRIANGLES:
for(i = 0; i < bspSurf->numVerts; i++)
- R_LightDirForPoint( bspSurf->verts[i].xyz, bspSurf->verts[i].lightdir, bspSurf->verts[i].normal, &s_worldData );
+ {
+ vec3_t lightDir;
+ vec3_t normal;
+
+ R_VaoUnpackNormal(normal, bspSurf->verts[i].normal);
+ R_LightDirForPoint( bspSurf->verts[i].xyz, lightDir, normal, &s_worldData );
+ R_VaoPackNormal(bspSurf->verts[i].lightdir, lightDir);
+ }
break;
diff --git a/code/renderergl2/tr_curve.c b/code/renderergl2/tr_curve.c
index f9e17cd..c693ae8 100644
--- a/code/renderergl2/tr_curve.c
+++ b/code/renderergl2/tr_curve.c
@@ -207,7 +207,11 @@ static int neighbors[8][2] = {
//if ( count == 0 ) {
// printf("bad normal\n");
//}
- VectorNormalize2( sum, dv->normal );
+ {
+ vec3_t fNormal;
+ VectorNormalize2(sum, fNormal);
+ R_VaoPackNormal(dv->normal, fNormal);
+ }
}
}
}
diff --git a/code/renderergl2/tr_extensions.c b/code/renderergl2/tr_extensions.c
index 927383a..8058a4b 100644
--- a/code/renderergl2/tr_extensions.c
+++ b/code/renderergl2/tr_extensions.c
@@ -295,23 +295,6 @@ void GLimp_InitExtraExtensions()
ri.Printf(PRINT_ALL, result[2], extension);
}
- // GL_ARB_vertex_type_2_10_10_10_rev
- extension = "GL_ARB_vertex_type_2_10_10_10_rev";
- glRefConfig.packedNormalDataType = GL_BYTE;
- if( GLimp_HaveExtension( extension ) )
- {
- qboolean useExt = !!r_arb_vertex_type_2_10_10_10_rev->integer;
-
- if (useExt)
- glRefConfig.packedNormalDataType = GL_INT_2_10_10_10_REV;
-
- ri.Printf(PRINT_ALL, result[useExt], extension);
- }
- else
- {
- ri.Printf(PRINT_ALL, result[2], extension);
- }
-
// use float lightmaps?
glRefConfig.floatLightmap = (glRefConfig.textureFloat && glRefConfig.halfFloatPixel && r_floatLightmap->integer && r_hdr->integer);
diff --git a/code/renderergl2/tr_init.c b/code/renderergl2/tr_init.c
index 60c62ab..8809039 100644
--- a/code/renderergl2/tr_init.c
+++ b/code/renderergl2/tr_init.c
@@ -106,7 +106,6 @@ cvar_t *r_arb_half_float_pixel;
cvar_t *r_arb_half_float_vertex;
cvar_t *r_ext_framebuffer_multisample;
cvar_t *r_arb_seamless_cube_map;
-cvar_t *r_arb_vertex_type_2_10_10_10_rev;
cvar_t *r_arb_vertex_array_object;
cvar_t *r_ext_direct_state_access;
@@ -1168,7 +1167,6 @@ void R_Register( void )
r_arb_half_float_vertex = ri.Cvar_Get( "r_arb_half_float_vertex", "1", CVAR_ARCHIVE | CVAR_LATCH);
r_ext_framebuffer_multisample = ri.Cvar_Get( "r_ext_framebuffer_multisample", "0", CVAR_ARCHIVE | CVAR_LATCH);
r_arb_seamless_cube_map = ri.Cvar_Get( "r_arb_seamless_cube_map", "0", CVAR_ARCHIVE | CVAR_LATCH);
- r_arb_vertex_type_2_10_10_10_rev = ri.Cvar_Get( "r_arb_vertex_type_2_10_10_10_rev", "1", CVAR_ARCHIVE | CVAR_LATCH);
r_arb_vertex_array_object = ri.Cvar_Get( "r_arb_vertex_array_object", "1", CVAR_ARCHIVE | CVAR_LATCH);
r_ext_direct_state_access = ri.Cvar_Get("r_ext_direct_state_access", "1", CVAR_ARCHIVE | CVAR_LATCH);
diff --git a/code/renderergl2/tr_local.h b/code/renderergl2/tr_local.h
index 553fcc0..998d981 100644
--- a/code/renderergl2/tr_local.h
+++ b/code/renderergl2/tr_local.h
@@ -895,11 +895,11 @@ typedef struct
vec3_t xyz;
vec2_t st;
vec2_t lightmap;
- vec3_t normal;
+ int16_t normal[4];
#ifdef USE_VERT_TANGENT_SPACE
- vec4_t tangent;
+ int16_t tangent[4];
#endif
- vec3_t lightdir;
+ int16_t lightdir[4];
vec4_t vertexColors;
#if DEBUG_OPTIMIZEVERTICES
@@ -908,9 +908,9 @@ typedef struct
} srfVert_t;
#ifdef USE_VERT_TANGENT_SPACE
-#define srfVert_t_cleared(x) srfVert_t (x) = {{0, 0, 0}, {0, 0}, {0, 0}, {0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0}, {0, 0, 0, 0}}
+#define srfVert_t_cleared(x) srfVert_t (x) = {{0, 0, 0}, {0, 0}, {0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}}
#else
-#define srfVert_t_cleared(x) srfVert_t (x) = {{0, 0, 0}, {0, 0}, {0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0, 0}}
+#define srfVert_t_cleared(x) srfVert_t (x) = {{0, 0, 0}, {0, 0}, {0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}}
#endif
// srfBspSurface_t covers SF_GRID, SF_TRIANGLES, SF_POLY, and SF_VAO_MESH
@@ -1201,10 +1201,9 @@ typedef struct
typedef struct
{
vec3_t xyz;
- vec3_t normal;
+ int16_t normal[4];
#ifdef USE_VERT_TANGENT_SPACE
- vec3_t tangent;
- vec3_t bitangent;
+ int16_t tangent[4];
#endif
} mdvVertex_t;
@@ -1411,7 +1410,6 @@ typedef struct {
qboolean depthClamp;
qboolean seamlessCubeMap;
- GLenum packedNormalDataType;
GLenum packedTexcoordDataType;
GLenum packedColorDataType;
int packedTexcoordDataSize;
@@ -1718,7 +1716,6 @@ extern cvar_t *r_arb_half_float_pixel;
extern cvar_t *r_arb_half_float_vertex;
extern cvar_t *r_ext_framebuffer_multisample;
extern cvar_t *r_arb_seamless_cube_map;
-extern cvar_t *r_arb_vertex_type_2_10_10_10_rev;
extern cvar_t *r_arb_vertex_array_object;
extern cvar_t *r_ext_direct_state_access;
@@ -1861,7 +1858,7 @@ void R_AddDrawSurf( surfaceType_t *surface, shader_t *shader,
void R_CalcTexDirs(vec3_t sdir, vec3_t tdir, const vec3_t v1, const vec3_t v2,
const vec3_t v3, const vec2_t w1, const vec2_t w2, const vec2_t w3);
-void R_CalcTbnFromNormalAndTexDirs(vec3_t tangent, vec3_t bitangent, vec3_t normal, vec3_t sdir, vec3_t tdir);
+vec_t R_CalcTangentSpace(vec3_t tangent, vec3_t bitangent, const vec3_t normal, const vec3_t sdir, const vec3_t tdir);
qboolean R_CalcTangentVectors(srfVert_t * dv[3]);
#define CULL_IN 0 // completely unclipped
@@ -2008,13 +2005,13 @@ typedef struct shaderCommands_s
{
glIndex_t indexes[SHADER_MAX_INDEXES] QALIGN(16);
vec4_t xyz[SHADER_MAX_VERTEXES] QALIGN(16);
- uint32_t normal[SHADER_MAX_VERTEXES] QALIGN(16);
+ int16_t normal[SHADER_MAX_VERTEXES][4] QALIGN(16);
#ifdef USE_VERT_TANGENT_SPACE
- uint32_t tangent[SHADER_MAX_VERTEXES] QALIGN(16);
+ int16_t tangent[SHADER_MAX_VERTEXES][4] QALIGN(16);
#endif
vec2_t texCoords[SHADER_MAX_VERTEXES][2] QALIGN(16);
vec4_t vertexColors[SHADER_MAX_VERTEXES] QALIGN(16);
- uint32_t lightdir[SHADER_MAX_VERTEXES] QALIGN(16);
+ int16_t lightdir[SHADER_MAX_VERTEXES][4] QALIGN(16);
//int vertexDlightBits[SHADER_MAX_VERTEXES] QALIGN(16);
void *attribPointers[ATTR_INDEX_COUNT];
@@ -2178,12 +2175,12 @@ VERTEX BUFFER OBJECTS
============================================================
*/
-int R_VaoPackTangent(byte *out, vec4_t v);
-int R_VaoPackNormal(byte *out, vec3_t v);
+void R_VaoPackTangent(int16_t *out, vec4_t v);
+void R_VaoPackNormal(int16_t *out, vec3_t v);
int R_VaoPackTexCoord(byte *out, vec2_t st);
int R_VaoPackColors(byte *out, vec4_t color);
-void R_VaoUnpackTangent(vec4_t v, uint32_t b);
-void R_VaoUnpackNormal(vec3_t v, uint32_t b);
+void R_VaoUnpackTangent(vec4_t v, int16_t *pack);
+void R_VaoUnpackNormal(vec3_t v, int16_t *pack);
vao_t *R_CreateVao(const char *name, byte *vertexes, int vertexesSize, byte *indexes, int indexesSize, vaoUsage_t usage);
vao_t *R_CreateVao2(const char *name, int numVertexes, srfVert_t *verts, int numIndexes, glIndex_t *inIndexes);
diff --git a/code/renderergl2/tr_main.c b/code/renderergl2/tr_main.c
index 24d17e0..6530729 100644
--- a/code/renderergl2/tr_main.c
+++ b/code/renderergl2/tr_main.c
@@ -70,229 +70,10 @@ qboolean R_CompareVert(srfVert_t * v1, srfVert_t * v2, qboolean checkST)
/*
=============
-R_CalcNormalForTriangle
-=============
-*/
-void R_CalcNormalForTriangle(vec3_t normal, const vec3_t v0, const vec3_t v1, const vec3_t v2)
-{
- vec3_t udir, vdir;
+R_CalcTexDirs
- // compute the face normal based on vertex points
- VectorSubtract(v2, v0, udir);
- VectorSubtract(v1, v0, vdir);
- CrossProduct(udir, vdir, normal);
-
- VectorNormalize(normal);
-}
-
-/*
+Lengyel, Eric. �Computing Tangent Space Basis Vectors for an Arbitrary Mesh�. Terathon Software 3D Graphics Library, 2001. http://www.terathon.com/code/tangent.html
=============
-R_CalcTangentsForTriangle
-http://members.rogers.com/deseric/tangentspace.htm
-=============
-*/
-void R_CalcTangentsForTriangle(vec3_t tangent, vec3_t bitangent,
- const vec3_t v0, const vec3_t v1, const vec3_t v2,
- const vec2_t t0, const vec2_t t1, const vec2_t t2)
-{
- int i;
- vec3_t planes[3];
- vec3_t u, v;
-
- for(i = 0; i < 3; i++)
- {
- VectorSet(u, v1[i] - v0[i], t1[0] - t0[0], t1[1] - t0[1]);
- VectorSet(v, v2[i] - v0[i], t2[0] - t0[0], t2[1] - t0[1]);
-
- VectorNormalize(u);
- VectorNormalize(v);
-
- CrossProduct(u, v, planes[i]);
- }
-
- //So your tangent space will be defined by this :
- //Normal = Normal of the triangle or Tangent X Bitangent (careful with the cross product,
- // you have to make sure the normal points in the right direction)
- //Tangent = ( dp(Fx(s,t)) / ds, dp(Fy(s,t)) / ds, dp(Fz(s,t)) / ds ) or ( -Bx/Ax, -By/Ay, - Bz/Az )
- //Bitangent = ( dp(Fx(s,t)) / dt, dp(Fy(s,t)) / dt, dp(Fz(s,t)) / dt ) or ( -Cx/Ax, -Cy/Ay, -Cz/Az )
-
- // tangent...
- tangent[0] = -planes[0][1] / planes[0][0];
- tangent[1] = -planes[1][1] / planes[1][0];
- tangent[2] = -planes[2][1] / planes[2][0];
- VectorNormalize(tangent);
-
- // bitangent...
- bitangent[0] = -planes[0][2] / planes[0][0];
- bitangent[1] = -planes[1][2] / planes[1][0];
- bitangent[2] = -planes[2][2] / planes[2][0];
- VectorNormalize(bitangent);
-}
-
-
-
-
-/*
-=============
-R_CalcTangentSpace
-=============
-*/
-void R_CalcTangentSpace(vec3_t tangent, vec3_t bitangent, vec3_t normal,
- const vec3_t v0, const vec3_t v1, const vec3_t v2, const vec2_t t0, const vec2_t t1, const vec2_t t2)
-{
- vec3_t cp, u, v;
- vec3_t faceNormal;
-
- VectorSet(u, v1[0] - v0[0], t1[0] - t0[0], t1[1] - t0[1]);
- VectorSet(v, v2[0] - v0[0], t2[0] - t0[0], t2[1] - t0[1]);
-
- CrossProduct(u, v, cp);
- if(fabs(cp[0]) > 10e-6)
- {
- tangent[0] = -cp[1] / cp[0];
- bitangent[0] = -cp[2] / cp[0];
- }
-
- u[0] = v1[1] - v0[1];
- v[0] = v2[1] - v0[1];
-
- CrossProduct(u, v, cp);
- if(fabs(cp[0]) > 10e-6)
- {
- tangent[1] = -cp[1] / cp[0];
- bitangent[1] = -cp[2] / cp[0];
- }
-
- u[0] = v1[2] - v0[2];
- v[0] = v2[2] - v0[2];
-
- CrossProduct(u, v, cp);
- if(fabs(cp[0]) > 10e-6)
- {
- tangent[2] = -cp[1] / cp[0];
- bitangent[2] = -cp[2] / cp[0];
- }
-
- VectorNormalize(tangent);
- VectorNormalize(bitangent);
-
- // compute the face normal based on vertex points
- if ( normal[0] == 0.0f && normal[1] == 0.0f && normal[2] == 0.0f )
- {
- VectorSubtract(v2, v0, u);
- VectorSubtract(v1, v0, v);
- CrossProduct(u, v, faceNormal);
- }
- else
- {
- VectorCopy(normal, faceNormal);
- }
-
- VectorNormalize(faceNormal);
-
-#if 1
- // Gram-Schmidt orthogonalize
- //tangent[a] = (t - n * Dot(n, t)).Normalize();
- VectorMA(tangent, -DotProduct(faceNormal, tangent), faceNormal, tangent);
- VectorNormalize(tangent);
-
- // compute the cross product B=NxT
- //CrossProduct(normal, tangent, bitangent);
-#else
- // normal, compute the cross product N=TxB
- CrossProduct(tangent, bitangent, normal);
- VectorNormalize(normal);
-
- if(DotProduct(normal, faceNormal) < 0)
- {
- //VectorInverse(normal);
- //VectorInverse(tangent);
- //VectorInverse(bitangent);
-
- // compute the cross product T=BxN
- CrossProduct(bitangent, faceNormal, tangent);
-
- // compute the cross product B=NxT
- //CrossProduct(normal, tangent, bitangent);
- }
-#endif
-
- VectorCopy(faceNormal, normal);
-}
-
-void R_CalcTangentSpaceFast(vec3_t tangent, vec3_t bitangent, vec3_t normal,
- const vec3_t v0, const vec3_t v1, const vec3_t v2, const vec2_t t0, const vec2_t t1, const vec2_t t2)
-{
- vec3_t cp, u, v;
- vec3_t faceNormal;
-
- VectorSet(u, v1[0] - v0[0], t1[0] - t0[0], t1[1] - t0[1]);
- VectorSet(v, v2[0] - v0[0], t2[0] - t0[0], t2[1] - t0[1]);
-
- CrossProduct(u, v, cp);
- if(fabs(cp[0]) > 10e-6)
- {
- tangent[0] = -cp[1] / cp[0];
- bitangent[0] = -cp[2] / cp[0];
- }
-
- u[0] = v1[1] - v0[1];
- v[0] = v2[1] - v0[1];
-
- CrossProduct(u, v, cp);
- if(fabs(cp[0]) > 10e-6)
- {
- tangent[1] = -cp[1] / cp[0];
- bitangent[1] = -cp[2] / cp[0];
- }
-
- u[0] = v1[2] - v0[2];
- v[0] = v2[2] - v0[2];
-
- CrossProduct(u, v, cp);
- if(fabs(cp[0]) > 10e-6)
- {
- tangent[2] = -cp[1] / cp[0];
- bitangent[2] = -cp[2] / cp[0];
- }
-
- VectorNormalizeFast(tangent);
- VectorNormalizeFast(bitangent);
-
- // compute the face normal based on vertex points
- VectorSubtract(v2, v0, u);
- VectorSubtract(v1, v0, v);
- CrossProduct(u, v, faceNormal);
-
- VectorNormalizeFast(faceNormal);
-
-#if 0
- // normal, compute the cross product N=TxB
- CrossProduct(tangent, bitangent, normal);
- VectorNormalizeFast(normal);
-
- if(DotProduct(normal, faceNormal) < 0)
- {
- VectorInverse(normal);
- //VectorInverse(tangent);
- //VectorInverse(bitangent);
-
- CrossProduct(normal, tangent, bitangent);
- }
-
- VectorCopy(faceNormal, normal);
-#else
- // Gram-Schmidt orthogonalize
- //tangent[a] = (t - n * Dot(n, t)).Normalize();
- VectorMA(tangent, -DotProduct(faceNormal, tangent), faceNormal, tangent);
- VectorNormalizeFast(tangent);
-#endif
-
- VectorCopy(faceNormal, normal);
-}
-
-/*
-http://www.terathon.com/code/tangent.html
*/
void R_CalcTexDirs(vec3_t sdir, vec3_t tdir, const vec3_t v1, const vec3_t v2,
const vec3_t v3, const vec2_t w1, const vec2_t w2, const vec2_t w3)
@@ -312,13 +93,21 @@ void R_CalcTexDirs(vec3_t sdir, vec3_t tdir, const vec3_t v1, const vec3_t v2,
t1 = w2[1] - w1[1];
t2 = w3[1] - w1[1];
- r = 1.0f / (s1 * t2 - s2 * t1);
+ r = s1 * t2 - s2 * t1;
+ if (r) r = 1.0f / r;
VectorSet(sdir, (t2 * x1 - t1 * x2) * r, (t2 * y1 - t1 * y2) * r, (t2 * z1 - t1 * z2) * r);
VectorSet(tdir, (s1 * x2 - s2 * x1) * r, (s1 * y2 - s2 * y1) * r, (s1 * z2 - s2 * z1) * r);
}
-void R_CalcTbnFromNormalAndTexDirs(vec3_t tangent, vec3_t bitangent, vec3_t normal, vec3_t sdir, vec3_t tdir)
+/*
+=============
+R_CalcTangentSpace
+
+Lengyel, Eric. �Computing Tangent Space Basis Vectors for an Arbitrary Mesh�. Terathon Software 3D Graphics Library, 2001. http://www.terathon.com/code/tangent.html
+=============
+*/
+vec_t R_CalcTangentSpace(vec3_t tangent, vec3_t bitangent, const vec3_t normal, const vec3_t sdir, const vec3_t tdir)
{
vec3_t n_cross_t;
vec_t n_dot_t, handedness;
@@ -332,113 +121,13 @@ void R_CalcTbnFromNormalAndTexDirs(vec3_t tangent, vec3_t bitangent, vec3_t norm
CrossProduct(normal, sdir, n_cross_t);
handedness = (DotProduct(n_cross_t, tdir) < 0.0f) ? -1.0f : 1.0f;
- // Calculate bitangent
- CrossProduct(normal, tangent, bitangent);
- VectorScale(bitangent, handedness, bitangent);
-}
-
-void R_CalcTBN2(vec3_t tangent, vec3_t bitangent, vec3_t normal,
- const vec3_t v1, const vec3_t v2, const vec3_t v3, const vec2_t t1, const vec2_t t2, const vec2_t t3)
-{
- vec3_t v2v1;
- vec3_t v3v1;
-
- float c2c1_T;
- float c2c1_B;
-
- float c3c1_T;
- float c3c1_B;
-
- float denominator;
- float scale1, scale2;
-
- vec3_t T, B, N, C;
-
-
- // Calculate the tangent basis for each vertex of the triangle
- // UPDATE: In the 3rd edition of the accompanying article, the for-loop located here has
- // been removed as it was redundant (the entire TBN matrix was calculated three times
- // instead of just one).
- //
- // Please note, that this function relies on the fact that the input geometry are triangles
- // and the tangent basis for each vertex thus is identical!
- //
-
- // Calculate the vectors from the current vertex to the two other vertices in the triangle
- VectorSubtract(v2, v1, v2v1);
- VectorSubtract(v3, v1, v3v1);
-
- // The equation presented in the article states that:
- // c2c1_T = V2.texcoord.x - V1.texcoord.x
- // c2c1_B = V2.texcoord.y - V1.texcoord.y
- // c3c1_T = V3.texcoord.x - V1.texcoord.x
- // c3c1_B = V3.texcoord.y - V1.texcoord.y
-
- // Calculate c2c1_T and c2c1_B
- c2c1_T = t2[0] - t1[0];
- c2c1_B = t2[1] - t2[1];
-
- // Calculate c3c1_T and c3c1_B
- c3c1_T = t3[0] - t1[0];
- c3c1_B = t3[1] - t1[1];
-
- denominator = c2c1_T * c3c1_B - c3c1_T * c2c1_B;
- //if(ROUNDOFF(fDenominator) == 0.0f)
- if(denominator == 0.0f)
- {
- // We won't risk a divide by zero, so set the tangent matrix to the identity matrix
- VectorSet(tangent, 1, 0, 0);
- VectorSet(bitangent, 0, 1, 0);
- VectorSet(normal, 0, 0, 1);
- }
- else
- {
- // Calculate the reciprocal value once and for all (to achieve speed)
- scale1 = 1.0f / denominator;
-
- // T and B are calculated just as the equation in the article states
- VectorSet(T, (c3c1_B * v2v1[0] - c2c1_B * v3v1[0]) * scale1,
- (c3c1_B * v2v1[1] - c2c1_B * v3v1[1]) * scale1,
- (c3c1_B * v2v1[2] - c2c1_B * v3v1[2]) * scale1);
-
- VectorSet(B, (-c3c1_T * v2v1[0] + c2c1_T * v3v1[0]) * scale1,
- (-c3c1_T * v2v1[1] + c2c1_T * v3v1[1]) * scale1,
- (-c3c1_T * v2v1[2] + c2c1_T * v3v1[2]) * scale1);
-
- // The normal N is calculated as the cross product between T and B
- CrossProduct(T, B, N);
-
-#if 0
- VectorCopy(T, tangent);
- VectorCopy(B, bitangent);
- VectorCopy(N, normal);
-#else
- // Calculate the reciprocal value once and for all (to achieve speed)
- scale2 = 1.0f / ((T[0] * B[1] * N[2] - T[2] * B[1] * N[0]) +
- (B[0] * N[1] * T[2] - B[2] * N[1] * T[0]) +
- (N[0] * T[1] * B[2] - N[2] * T[1] * B[0]));
-
- // Calculate the inverse if the TBN matrix using the formula described in the article.
- // We store the basis vectors directly in the provided TBN matrix: pvTBNMatrix
- CrossProduct(B, N, C); tangent[0] = C[0] * scale2;
- CrossProduct(N, T, C); tangent[1] = -C[0] * scale2;
- CrossProduct(T, B, C); tangent[2] = C[0] * scale2;
- VectorNormalize(tangent);
-
- CrossProduct(B, N, C); bitangent[0] = -C[1] * scale2;
- CrossProduct(N, T, C); bitangent[1] = C[1] * scale2;
- CrossProduct(T, B, C); bitangent[2] = -C[1] * scale2;
- VectorNormalize(bitangent);
+ // Calculate orthogonal bitangent, if necessary
+ if (bitangent)
+ CrossProduct(normal, tangent, bitangent);
- CrossProduct(B, N, C); normal[0] = C[2] * scale2;
- CrossProduct(N, T, C); normal[1] = -C[2] * scale2;
- CrossProduct(T, B, C); normal[2] = C[2] * scale2;
- VectorNormalize(normal);
-#endif
- }
+ return handedness;
}
-
#ifdef USE_VERT_TANGENT_SPACE
qboolean R_CalcTangentVectors(srfVert_t * dv[3])
{
@@ -455,7 +144,8 @@ qboolean R_CalcTangentVectors(srfVert_t * dv[3])
/* do each vertex */
for(i = 0; i < 3; i++)
{
- vec3_t bitangent, nxt;
+ vec4_t tangent;
+ vec3_t normal, bitangent, nxt;
// calculate s tangent vector
s = dv[i]->st[0] + 10.0f;
@@ -464,12 +154,12 @@ qboolean R_CalcTangentVectors(srfVert_t * dv[3])
bary[1] = ((dv[2]->st[0] - s) * (dv[0]->st[1] - t) - (dv[0]->st[0] - s) * (dv[2]->st[1] - t)) / bb;
bary[2] = ((dv[0]->st[0] - s) * (dv[1]->st[1] - t) - (dv[1]->st[0] - s) * (dv[0]->st[1] - t)) / bb;
- dv[i]->tangent[0] = bary[0] * dv[0]->xyz[0] + bary[1] * dv[1]->xyz[0] + bary[2] * dv[2]->xyz[0];
- dv[i]->tangent[1] = bary[0] * dv[0]->xyz[1] + bary[1] * dv[1]->xyz[1] + bary[2] * dv[2]->xyz[1];
- dv[i]->tangent[2] = bary[0] * dv[0]->xyz[2] + bary[1] * dv[1]->xyz[2] + bary[2] * dv[2]->xyz[2];
+ tangent[0] = bary[0] * dv[0]->xyz[0] + bary[1] * dv[1]->xyz[0] + bary[2] * dv[2]->xyz[0];
+ tangent[1] = bary[0] * dv[0]->xyz[1] + bary[1] * dv[1]->xyz[1] + bary[2] * dv[2]->xyz[1];
+ tangent[2] = bary[0] * dv[0]->xyz[2] + bary[1] * dv[1]->xyz[2] + bary[2] * dv[2]->xyz[2];
- VectorSubtract(dv[i]->tangent, dv[i]->xyz, dv[i]->tangent);
- VectorNormalize(dv[i]->tangent);
+ VectorSubtract(tangent, dv[i]->xyz, tangent);
+ VectorNormalize(tangent);
// calculate t tangent vector
s = dv[i]->st[0];
@@ -486,8 +176,11 @@ qboolean R_CalcTangentVectors(srfVert_t * dv[3])
VectorNormalize(bitangent);
// store bitangent handedness
- CrossProduct(dv[i]->normal, dv[i]->tangent, nxt);
- dv[i]->tangent[3] = (DotProduct(nxt, bitangent) < 0.0f) ? -1.0f : 1.0f;
+ R_VaoUnpackNormal(normal, dv[i]->normal);
+ CrossProduct(normal, tangent, nxt);
+ tangent[3] = (DotProduct(nxt, bitangent) < 0.0f) ? -1.0f : 1.0f;
+
+ R_VaoPackTangent(dv[i]->tangent, tangent);
// debug code
//% Sys_FPrintf( SYS_VRB, "%d S: (%f %f %f) T: (%f %f %f)\n", i,
diff --git a/code/renderergl2/tr_marks.c b/code/renderergl2/tr_marks.c
index 830d4d2..682c13d 100644
--- a/code/renderergl2/tr_marks.c
+++ b/code/renderergl2/tr_marks.c
@@ -350,17 +350,21 @@ int R_MarkFragments( int numPoints, const vec3_t *points, const vec3_t projectio
// The offset is added in the vertex normal vector direction
// so all triangles will still fit together.
// The 2 unit offset should avoid pretty much all LOD problems.
+ vec3_t fNormal;
numClipPoints = 3;
dv = cv->verts + m * cv->width + n;
VectorCopy(dv[0].xyz, clipPoints[0][0]);
- VectorMA(clipPoints[0][0], MARKER_OFFSET, dv[0].normal, clipPoints[0][0]);
+ R_VaoUnpackNormal(fNormal, dv[0].normal);
+ VectorMA(clipPoints[0][0], MARKER_OFFSET, fNormal, clipPoints[0][0]);
VectorCopy(dv[cv->width].xyz, clipPoints[0][1]);
- VectorMA(clipPoints[0][1], MARKER_OFFSET, dv[cv->width].normal, clipPoints[0][1]);
+ R_VaoUnpackNormal(fNormal, dv[cv->width].normal);
+ VectorMA(clipPoints[0][1], MARKER_OFFSET, fNormal, clipPoints[0][1]);
VectorCopy(dv[1].xyz, clipPoints[0][2]);
- VectorMA(clipPoints[0][2], MARKER_OFFSET, dv[1].normal, clipPoints[0][2]);
+ R_VaoUnpackNormal(fNormal, dv[1].normal);
+ VectorMA(clipPoints[0][2], MARKER_OFFSET, fNormal, clipPoints[0][2]);
// check the normal of this triangle
VectorSubtract(clipPoints[0][0], clipPoints[0][1], v1);
VectorSubtract(clipPoints[0][2], clipPoints[0][1], v2);
@@ -380,11 +384,14 @@ int R_MarkFragments( int numPoints, const vec3_t *points, const vec3_t projectio
}
VectorCopy(dv[1].xyz, clipPoints[0][0]);
- VectorMA(clipPoints[0][0], MARKER_OFFSET, dv[1].normal, clipPoints[0][0]);
+ R_VaoUnpackNormal(fNormal, dv[1].normal);
+ VectorMA(clipPoints[0][0], MARKER_OFFSET, fNormal, clipPoints[0][0]);
VectorCopy(dv[cv->width].xyz, clipPoints[0][1]);
- VectorMA(clipPoints[0][1], MARKER_OFFSET, dv[cv->width].normal, clipPoints[0][1]);
+ R_VaoUnpackNormal(fNormal, dv[cv->width].normal);
+ VectorMA(clipPoints[0][1], MARKER_OFFSET, fNormal, clipPoints[0][1]);
VectorCopy(dv[cv->width+1].xyz, clipPoints[0][2]);
- VectorMA(clipPoints[0][2], MARKER_OFFSET, dv[cv->width+1].normal, clipPoints[0][2]);
+ R_VaoUnpackNormal(fNormal, dv[cv->width + 1].normal);
+ VectorMA(clipPoints[0][2], MARKER_OFFSET, fNormal, clipPoints[0][2]);
// check the normal of this triangle
VectorSubtract(clipPoints[0][0], clipPoints[0][1], v1);
VectorSubtract(clipPoints[0][2], clipPoints[0][1], v2);
@@ -441,8 +448,10 @@ int R_MarkFragments( int numPoints, const vec3_t *points, const vec3_t projectio
{
for(j = 0; j < 3; j++)
{
+ vec3_t fNormal;
v = surf->verts[tri[j]].xyz;
- VectorMA(v, MARKER_OFFSET, surf->verts[tri[j]].normal, clipPoints[0][j]);
+ R_VaoUnpackNormal(fNormal, surf->verts[tri[j]].normal);
+ VectorMA(v, MARKER_OFFSET, fNormal, clipPoints[0][j]);
}
// add the fragments of this face
diff --git a/code/renderergl2/tr_model.c b/code/renderergl2/tr_model.c
index 897e202..e1faee1 100644
--- a/code/renderergl2/tr_model.c
+++ b/code/renderergl2/tr_model.c
@@ -564,6 +564,7 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
{
unsigned lat, lng;
unsigned short normal;
+ vec3_t fNormal;
v->xyz[0] = LittleShort(md3xyz->xyz[0]) * MD3_XYZ_SCALE;
v->xyz[1] = LittleShort(md3xyz->xyz[1]) * MD3_XYZ_SCALE;
@@ -580,9 +581,11 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
// decode Y as sin( lat ) * sin( long )
// decode Z as cos( long )
- v->normal[0] = tr.sinTable[(lat+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK] * tr.sinTable[lng];
- v->normal[1] = tr.sinTable[lat] * tr.sinTable[lng];
- v->normal[2] = tr.sinTable[(lng+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK];
+ fNormal[0] = tr.sinTable[(lat+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK] * tr.sinTable[lng];
+ fNormal[1] = tr.sinTable[lat] * tr.sinTable[lng];
+ fNormal[2] = tr.sinTable[(lng+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK];
+
+ R_VaoPackNormal(v->normal, fNormal);
}
// swap all the ST
@@ -598,10 +601,13 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
#ifdef USE_VERT_TANGENT_SPACE
// calc tangent spaces
{
+ vec3_t *sdirs = ri.Malloc(sizeof(*sdirs) * surf->numVerts * mdvModel->numFrames);
+ vec3_t *tdirs = ri.Malloc(sizeof(*tdirs) * surf->numVerts * mdvModel->numFrames);
+
for(j = 0, v = surf->verts; j < (surf->numVerts * mdvModel->numFrames); j++, v++)
{
- VectorClear(v->tangent);
- VectorClear(v->bitangent);
+ VectorClear(sdirs[j]);
+ VectorClear(tdirs[j]);
}
for(f = 0; f < mdvModel->numFrames; f++)
@@ -626,27 +632,32 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
R_CalcTexDirs(sdir, tdir, v0, v1, v2, t0, t1, t2);
- VectorAdd(sdir, surf->verts[index0].tangent, surf->verts[index0].tangent);
- VectorAdd(sdir, surf->verts[index1].tangent, surf->verts[index1].tangent);
- VectorAdd(sdir, surf->verts[index2].tangent, surf->verts[index2].tangent);
- VectorAdd(tdir, surf->verts[index0].bitangent, surf->verts[index0].bitangent);
- VectorAdd(tdir, surf->verts[index1].bitangent, surf->verts[index1].bitangent);
- VectorAdd(tdir, surf->verts[index2].bitangent, surf->verts[index2].bitangent);
+ VectorAdd(sdir, sdirs[index0], sdirs[index0]);
+ VectorAdd(sdir, sdirs[index1], sdirs[index1]);
+ VectorAdd(sdir, sdirs[index2], sdirs[index2]);
+ VectorAdd(tdir, tdirs[index0], tdirs[index0]);
+ VectorAdd(tdir, tdirs[index1], tdirs[index1]);
+ VectorAdd(tdir, tdirs[index2], tdirs[index2]);
}
}
for(j = 0, v = surf->verts; j < (surf->numVerts * mdvModel->numFrames); j++, v++)
{
- vec3_t sdir, tdir;
+ vec3_t normal;
+ vec4_t tangent;
+
+ VectorNormalize(sdirs[j]);
+ VectorNormalize(tdirs[j]);
- VectorCopy(v->tangent, sdir);
- VectorCopy(v->bitangent, tdir);
+ R_VaoUnpackNormal(normal, v->normal);
- VectorNormalize(sdir);
- VectorNormalize(tdir);
+ tangent[3] = R_CalcTangentSpace(tangent, NULL, normal, sdirs[j], tdirs[j]);
- R_CalcTbnFromNormalAndTexDirs(v->tangent, v->bitangent, v->normal, sdir, tdir);
+ R_VaoPackTangent(v->tangent, tangent);
}
+
+ ri.Free(sdirs);
+ ri.Free(tdirs);
}
#endif
@@ -676,11 +687,11 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
offset_st = 0;
offset_xyz = surf->numVerts * glRefConfig.packedTexcoordDataSize;
offset_normal = offset_xyz + sizeof(vec3_t);
- offset_tangent = offset_normal + sizeof(uint32_t);
+ offset_tangent = offset_normal + sizeof(int16_t) * 4;
stride_st = glRefConfig.packedTexcoordDataSize;
- stride_xyz = sizeof(vec3_t) + sizeof(uint32_t);
+ stride_xyz = sizeof(vec3_t) + sizeof(int16_t) * 4;
#ifdef USE_VERT_TANGENT_SPACE
- stride_xyz += sizeof(uint32_t);
+ stride_xyz += sizeof(int16_t) * 4;
#endif
stride_normal = stride_tangent = stride_xyz;
@@ -692,11 +703,11 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
offset_xyz = 0;
offset_st = offset_xyz + sizeof(vec3_t);
offset_normal = offset_st + glRefConfig.packedTexcoordDataSize;
- offset_tangent = offset_normal + sizeof(uint32_t);
+ offset_tangent = offset_normal + sizeof(int16_t) * 4;
#ifdef USE_VERT_TANGENT_SPACE
- stride_xyz = offset_tangent + sizeof(uint32_t);
+ stride_xyz = offset_tangent + sizeof(int16_t) * 4;
#else
- stride_xyz = offset_normal + sizeof(uint32_t);
+ stride_xyz = offset_normal + sizeof(int16_t) * 4;
#endif
stride_st = stride_normal = stride_tangent = stride_xyz;
@@ -717,24 +728,18 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
v = surf->verts;
for ( j = 0; j < surf->numVerts * mdvModel->numFrames ; j++, v++ )
{
-#ifdef USE_VERT_TANGENT_SPACE
- vec3_t nxt;
- vec4_t tangent;
-#endif
// xyz
memcpy(data + dataOfs, &v->xyz, sizeof(vec3_t));
dataOfs += sizeof(vec3_t);
// normal
- dataOfs += R_VaoPackNormal(data + dataOfs, v->normal);
+ memcpy(data + dataOfs, &v->normal, sizeof(int16_t) * 4);
+ dataOfs += sizeof(int16_t) * 4;
#ifdef USE_VERT_TANGENT_SPACE
- CrossProduct(v->normal, v->tangent, nxt);
- VectorCopy(v->tangent, tangent);
- tangent[3] = (DotProduct(nxt, v->bitangent) < 0.0f) ? -1.0f : 1.0f;
-
// tangent
- dataOfs += R_VaoPackTangent(data + dataOfs, tangent);
+ memcpy(data + dataOfs, &v->tangent, sizeof(int16_t) * 4);
+ dataOfs += sizeof(int16_t) * 4;
#endif
}
}
@@ -744,10 +749,6 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
st = surf->st;
for ( j = 0; j < surf->numVerts; j++, v++, st++ )
{
-#ifdef USE_VERT_TANGENT_SPACE
- vec3_t nxt;
- vec4_t tangent;
-#endif
// xyz
memcpy(data + dataOfs, &v->xyz, sizeof(vec3_t));
dataOfs += sizeof(v->xyz);
@@ -756,15 +757,13 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
dataOfs += R_VaoPackTexCoord(data + dataOfs, st->st);
// normal
- dataOfs += R_VaoPackNormal(data + dataOfs, v->normal);
+ memcpy(data + dataOfs, &v->normal, sizeof(int16_t) * 4);
+ dataOfs += sizeof(int16_t) * 4;
#ifdef USE_VERT_TANGENT_SPACE
- CrossProduct(v->normal, v->tangent, nxt);
- VectorCopy(v->tangent, tangent);
- tangent[3] = (DotProduct(nxt, v->bitangent) < 0.0f) ? -1.0f : 1.0f;
-
// tangent
- dataOfs += R_VaoPackTangent(data + dataOfs, tangent);
+ memcpy(data + dataOfs, &v->tangent, sizeof(int16_t) * 4);
+ dataOfs += sizeof(int16_t) * 4;
#endif
}
}
@@ -794,8 +793,8 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
vaoSurf->vao->attribs[ATTR_INDEX_POSITION].type = GL_FLOAT;
vaoSurf->vao->attribs[ATTR_INDEX_TEXCOORD].type = glRefConfig.packedTexcoordDataType;
- vaoSurf->vao->attribs[ATTR_INDEX_NORMAL ].type = glRefConfig.packedNormalDataType;
- vaoSurf->vao->attribs[ATTR_INDEX_TANGENT ].type = glRefConfig.packedNormalDataType;
+ vaoSurf->vao->attribs[ATTR_INDEX_NORMAL ].type = GL_SHORT;
+ vaoSurf->vao->attribs[ATTR_INDEX_TANGENT ].type = GL_SHORT;
vaoSurf->vao->attribs[ATTR_INDEX_POSITION].normalized = GL_FALSE;
vaoSurf->vao->attribs[ATTR_INDEX_TEXCOORD].normalized = GL_FALSE;
diff --git a/code/renderergl2/tr_model_iqm.c b/code/renderergl2/tr_model_iqm.c
index 3cabca0..e30e706 100644
--- a/code/renderergl2/tr_model_iqm.c
+++ b/code/renderergl2/tr_model_iqm.c
@@ -1024,9 +1024,9 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
int i;
vec4_t *outXYZ;
- uint32_t *outNormal;
+ int16_t *outNormal;
#ifdef USE_VERT_TANGENT_SPACE
- uint32_t *outTangent;
+ int16_t *outTangent;
#endif
vec2_t (*outTexCoord)[2];
vec4_t *outColor;
@@ -1042,9 +1042,9 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
RB_CHECKOVERFLOW( surf->num_vertexes, surf->num_triangles * 3 );
outXYZ = &tess.xyz[tess.numVertexes];
- outNormal = &tess.normal[tess.numVertexes];
+ outNormal = tess.normal[tess.numVertexes];
#ifdef USE_VERT_TANGENT_SPACE
- outTangent = &tess.tangent[tess.numVertexes];
+ outTangent = tess.tangent[tess.numVertexes];
#endif
outTexCoord = &tess.texCoords[tess.numVertexes];
outColor = &tess.vertexColors[tess.numVertexes];
@@ -1056,7 +1056,7 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
// transform vertexes and fill other data
for( i = 0; i < surf->num_vertexes;
- i++, outXYZ++, outNormal++, outTexCoord++, outColor++ ) {
+ i++, outXYZ++, outNormal+=4, outTexCoord++, outColor++ ) {
int j, k;
float vtxMat[12];
float nrmMat[9];
@@ -1130,7 +1130,7 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
normal[1] = DotProduct(&nrmMat[3], &data->normals[3*vtx]);
normal[2] = DotProduct(&nrmMat[6], &data->normals[3*vtx]);
- R_VaoPackNormal((byte *)outNormal, normal);
+ R_VaoPackNormal(outNormal, normal);
#ifdef USE_VERT_TANGENT_SPACE
tangent[0] = DotProduct(&nrmMat[0], &data->tangents[4*vtx]);
@@ -1138,7 +1138,8 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
tangent[2] = DotProduct(&nrmMat[6], &data->tangents[4*vtx]);
tangent[3] = data->tangents[4*vtx+3];
- R_VaoPackTangent((byte *)outTangent++, tangent);
+ R_VaoPackTangent(outTangent, tangent);
+ outTangent+=4;
#endif
}
diff --git a/code/renderergl2/tr_shade_calc.c b/code/renderergl2/tr_shade_calc.c
index dcb9994..898557e 100644
--- a/code/renderergl2/tr_shade_calc.c
+++ b/code/renderergl2/tr_shade_calc.c
@@ -116,16 +116,16 @@ void RB_CalcDeformVertexes( deformStage_t *ds )
vec3_t offset;
float scale;
float *xyz = ( float * ) tess.xyz;
- uint32_t *normal = tess.normal;
+ int16_t *normal = tess.normal[0];
float *table;
if ( ds->deformationWave.frequency == 0 )
{
scale = EvalWaveForm( &ds->deformationWave );
- for ( i = 0; i < tess.numVertexes; i++, xyz += 4, normal++ )
+ for ( i = 0; i < tess.numVertexes; i++, xyz += 4, normal += 4 )
{
- R_VaoUnpackNormal(offset, *normal);
+ R_VaoUnpackNormal(offset, normal);
xyz[0] += offset[0] * scale;
xyz[1] += offset[1] * scale;
@@ -136,7 +136,7 @@ void RB_CalcDeformVertexes( deformStage_t *ds )
{
table = TableForFunc( ds->deformationWave.func );
- for ( i = 0; i < tess.numVertexes; i++, xyz += 4, normal++ )
+ for ( i = 0; i < tess.numVertexes; i++, xyz += 4, normal += 4 )
{
float off = ( xyz[0] + xyz[1] + xyz[2] ) * ds->deformationSpread;
@@ -145,7 +145,7 @@ void RB_CalcDeformVertexes( deformStage_t *ds )
ds->deformationWave.phase + off,
ds->deformationWave.frequency );
- R_VaoUnpackNormal(offset, *normal);
+ R_VaoUnpackNormal(offset, normal);
xyz[0] += offset[0] * scale;
xyz[1] += offset[1] * scale;
@@ -165,12 +165,12 @@ void RB_CalcDeformNormals( deformStage_t *ds ) {
int i;
float scale;
float *xyz = ( float * ) tess.xyz;
- uint32_t *normal = tess.normal;
+ int16_t *normal = tess.normal[0];
- for ( i = 0; i < tess.numVertexes; i++, xyz += 4, normal++ ) {
+ for ( i = 0; i < tess.numVertexes; i++, xyz += 4, normal += 4 ) {
vec3_t fNormal;
- R_VaoUnpackNormal(fNormal, *normal);
+ R_VaoUnpackNormal(fNormal, normal);
scale = 0.98f;
scale = R_NoiseGet4f( xyz[0] * scale, xyz[1] * scale, xyz[2] * scale,
@@ -189,7 +189,7 @@ void RB_CalcDeformNormals( deformStage_t *ds ) {
VectorNormalizeFast( fNormal );
- R_VaoPackNormal((byte *)normal, fNormal);
+ R_VaoPackNormal(normal, fNormal);
}
}
@@ -203,17 +203,17 @@ void RB_CalcBulgeVertexes( deformStage_t *ds ) {
int i;
const float *st = ( const float * ) tess.texCoords[0];
float *xyz = ( float * ) tess.xyz;
- uint32_t *normal = tess.normal;
+ int16_t *normal = tess.normal[0];
float now;
now = backEnd.refdef.time * ds->bulgeSpeed * 0.001f;
- for ( i = 0; i < tess.numVertexes; i++, xyz += 4, st += 4, normal++ ) {
+ for ( i = 0; i < tess.numVertexes; i++, xyz += 4, st += 4, normal += 4 ) {
int off;
float scale;
vec3_t fNormal;
- R_VaoUnpackNormal(fNormal, *normal);
+ R_VaoUnpackNormal(fNormal, normal);
off = (float)( FUNCTABLE_SIZE / (M_PI*2) ) * ( st[0] * ds->bulgeWidth + now );
diff --git a/code/renderergl2/tr_surface.c b/code/renderergl2/tr_surface.c
index edaf43d..c19410c 100644
--- a/code/renderergl2/tr_surface.c
+++ b/code/renderergl2/tr_surface.c
@@ -88,7 +88,7 @@ RB_AddQuadStampExt
*/
void RB_AddQuadStampExt( vec3_t origin, vec3_t left, vec3_t up, float color[4], float s1, float t1, float s2, float t2 ) {
vec3_t normal;
- uint32_t pNormal;
+ int16_t iNormal[4];
int ndx;
RB_CheckVao(tess.vao);
@@ -126,11 +126,12 @@ void RB_AddQuadStampExt( vec3_t origin, vec3_t left, vec3_t up, float color[4],
// constant normal all the way around
VectorSubtract( vec3_origin, backEnd.viewParms.or.axis[0], normal );
- R_VaoPackNormal((byte *)&pNormal, normal);
- tess.normal[ndx] =
- tess.normal[ndx+1] =
- tess.normal[ndx+2] =
- tess.normal[ndx+3] = pNormal;
+ R_VaoPackNormal(iNormal, normal);
+
+ VectorCopy4(tess.normal[ndx], iNormal);
+ VectorCopy4(tess.normal[ndx+1], iNormal);
+ VectorCopy4(tess.normal[ndx+2], iNormal);
+ VectorCopy4(tess.normal[ndx+3], iNormal);
// standard square texture coordinates
VectorSet2(tess.texCoords[ndx ][0], s1, t1);
@@ -320,10 +321,10 @@ static void RB_SurfaceVertsAndIndexes( int numVerts, srfVert_t *verts, int numIn
glIndex_t *inIndex;
srfVert_t *dv;
float *xyz, *texCoords, *lightCoords;
- uint32_t *lightdir;
- uint32_t *normal;
+ int16_t *lightdir;
+ int16_t *normal;
#ifdef USE_VERT_TANGENT_SPACE
- uint32_t *tangent;
+ int16_t *tangent;
#endif
glIndex_t *outIndex;
float *color;
@@ -350,18 +351,18 @@ static void RB_SurfaceVertsAndIndexes( int numVerts, srfVert_t *verts, int numIn
if ( tess.shader->vertexAttribs & ATTR_NORMAL )
{
dv = verts;
- normal = &tess.normal[ tess.numVertexes ];
- for ( i = 0 ; i < numVerts ; i++, dv++, normal++ )
- R_VaoPackNormal((byte *)normal, dv->normal);
+ normal = tess.normal[ tess.numVertexes ];
+ for ( i = 0 ; i < numVerts ; i++, dv++, normal+=4 )
+ VectorCopy4(dv->normal, normal);
}
#ifdef USE_VERT_TANGENT_SPACE
if ( tess.shader->vertexAttribs & ATTR_TANGENT )
{
dv = verts;
- tangent = &tess.tangent[ tess.numVertexes ];
- for ( i = 0 ; i < numVerts ; i++, dv++, tangent++ )
- R_VaoPackTangent((byte *)tangent, dv->tangent);
+ tangent = tess.tangent[ tess.numVertexes ];
+ for ( i = 0 ; i < numVerts ; i++, dv++, tangent+=4 )
+ VectorCopy4(dv->tangent, tangent);
}
#endif
@@ -392,9 +393,9 @@ static void RB_SurfaceVertsAndIndexes( int numVerts, srfVert_t *verts, int numIn
if ( tess.shader->vertexAttribs & ATTR_LIGHTDIRECTION )
{
dv = verts;
- lightdir = &tess.lightdir[ tess.numVertexes ];
- for ( i = 0 ; i < numVerts ; i++, dv++, lightdir++ )
- R_VaoPackNormal((byte *)lightdir, dv->lightdir);
+ lightdir = tess.lightdir[ tess.numVertexes ];
+ for ( i = 0 ; i < numVerts ; i++, dv++, lightdir+=4 )
+ VectorCopy4(dv->lightdir, lightdir);
}
#if 0 // nothing even uses vertex dlightbits
@@ -841,308 +842,19 @@ static void RB_SurfaceLightningBolt( void ) {
}
}
-#if 0
-/*
-** VectorArrayNormalize
-*
-* The inputs to this routing seem to always be close to length = 1.0 (about 0.6 to 2.0)
-* This means that we don't have to worry about zero length or enormously long vectors.
-*/
-static void VectorArrayNormalize(vec4_t *normals, unsigned int count)
-{
-// assert(count);
-
-#if idppc
- {
- register float half = 0.5;
- register float one = 1.0;
- float *components = (float *)normals;
-
- // Vanilla PPC code, but since PPC has a reciprocal square root estimate instruction,
- // runs *much* faster than calling sqrt(). We'll use a single Newton-Raphson
- // refinement step to get a little more precision. This seems to yeild results
- // that are correct to 3 decimal places and usually correct to at least 4 (sometimes 5).
- // (That is, for the given input range of about 0.6 to 2.0).
- do {
- float x, y, z;
- float B, y0, y1;
-
- x = components[0];
- y = components[1];
- z = components[2];
- components += 4;
- B = x*x + y*y + z*z;
-
-#ifdef __GNUC__
- asm("frsqrte %0,%1" : "=f" (y0) : "f" (B));
-#else
- y0 = __frsqrte(B);
-#endif
- y1 = y0 + half*y0*(one - B*y0*y0);
-
- x = x * y1;
- y = y * y1;
- components[-4] = x;
- z = z * y1;
- components[-3] = y;
- components[-2] = z;
- } while(count--);
- }
-#else // No assembly version for this architecture, or C_ONLY defined
- // given the input, it's safe to call VectorNormalizeFast
- while (count--) {
- VectorNormalizeFast(normals[0]);
- normals++;
- }
-#endif
-
-}
-#endif
-
-
-/*
-** LerpMeshVertexes
-*/
-#if 0
-#if idppc_altivec
-static void LerpMeshVertexes_altivec(md3Surface_t *surf, float backlerp)
-{
- short *oldXyz, *newXyz, *oldNormals, *newNormals;
- float *outXyz, *outNormal;
- float oldXyzScale QALIGN(16);
- float newXyzScale QALIGN(16);
- float oldNormalScale QALIGN(16);
- float newNormalScale QALIGN(16);
- int vertNum;
- unsigned lat, lng;
- int numVerts;
-
- outXyz = tess.xyz[tess.numVertexes];
- outNormal = tess.normal[tess.numVertexes];
-
- newXyz = (short *)((byte *)surf + surf->ofsXyzNormals)
- + (backEnd.currentEntity->e.frame * surf->numVerts * 4);
- newNormals = newXyz + 3;
-
- newXyzScale = MD3_XYZ_SCALE * (1.0 - backlerp);
- newNormalScale = 1.0 - backlerp;
-
- numVerts = surf->numVerts;
-
- if ( backlerp == 0 ) {
- vector signed short newNormalsVec0;
- vector signed short newNormalsVec1;
- vector signed int newNormalsIntVec;
- vector float newNormalsFloatVec;
- vector float newXyzScaleVec;
- vector unsigned char newNormalsLoadPermute;
- vector unsigned char newNormalsStorePermute;
- vector float zero;
-
- newNormalsStorePermute = vec_lvsl(0,(float *)&newXyzScaleVec);
- newXyzScaleVec = *(vector float *)&newXyzScale;
- newXyzScaleVec = vec_perm(newXyzScaleVec,newXyzScaleVec,newNormalsStorePermute);
- newXyzScaleVec = vec_splat(newXyzScaleVec,0);
- newNormalsLoadPermute = vec_lvsl(0,newXyz);
- newNormalsStorePermute = vec_lvsr(0,outXyz);
- zero = (vector float)vec_splat_s8(0);
- //
- // just copy the vertexes
- //
- for (vertNum=0 ; vertNum < numVerts ; vertNum++,
- newXyz += 4, newNormals += 4,
- outXyz += 4, outNormal += 4)
- {
- newNormalsLoadPermute = vec_lvsl(0,newXyz);
- newNormalsStorePermute = vec_lvsr(0,outXyz);
- newNormalsVec0 = vec_ld(0,newXyz);
- newNormalsVec1 = vec_ld(16,newXyz);
- newNormalsVec0 = vec_perm(newNormalsVec0,newNormalsVec1,newNormalsLoadPermute);
- newNormalsIntVec = vec_unpackh(newNormalsVec0);
- newNormalsFloatVec = vec_ctf(newNormalsIntVec,0);
- newNormalsFloatVec = vec_madd(newNormalsFloatVec,newXyzScaleVec,zero);
- newNormalsFloatVec = vec_perm(newNormalsFloatVec,newNormalsFloatVec,newNormalsStorePermute);
- //outXyz[0] = newXyz[0] * newXyzScale;
- //outXyz[1] = newXyz[1] * newXyzScale;
- //outXyz[2] = newXyz[2] * newXyzScale;
-
- lat = ( newNormals[0] >> 8 ) & 0xff;
- lng = ( newNormals[0] & 0xff );
- lat *= (FUNCTABLE_SIZE/256);
- lng *= (FUNCTABLE_SIZE/256);
-
- // decode X as cos( lat ) * sin( long )
- // decode Y as sin( lat ) * sin( long )
- // decode Z as cos( long )
-
- outNormal[0] = tr.sinTable[(lat+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK] * tr.sinTable[lng];
- outNormal[1] = tr.sinTable[lat] * tr.sinTable[lng];
- outNormal[2] = tr.sinTable[(lng+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK];
-
- vec_ste(newNormalsFloatVec,0,outXyz);
- vec_ste(newNormalsFloatVec,4,outXyz);
- vec_ste(newNormalsFloatVec,8,outXyz);
- }
- } else {
- //
- // interpolate and copy the vertex and normal
- //
- oldXyz = (short *)((byte *)surf + surf->ofsXyzNormals)
- + (backEnd.currentEntity->e.oldframe * surf->numVerts * 4);
- oldNormals = oldXyz + 3;
-
- oldXyzScale = MD3_XYZ_SCALE * backlerp;
- oldNormalScale = backlerp;
-
- for (vertNum=0 ; vertNum < numVerts ; vertNum++,
- oldXyz += 4, newXyz += 4, oldNormals += 4, newNormals += 4,
- outXyz += 4, outNormal += 4)
- {
- vec3_t uncompressedOldNormal, uncompressedNewNormal;
-
- // interpolate the xyz
- outXyz[0] = oldXyz[0] * oldXyzScale + newXyz[0] * newXyzScale;
- outXyz[1] = oldXyz[1] * oldXyzScale + newXyz[1] * newXyzScale;
- outXyz[2] = oldXyz[2] * oldXyzScale + newXyz[2] * newXyzScale;
-
- // FIXME: interpolate lat/long instead?
- lat = ( newNormals[0] >> 8 ) & 0xff;
- lng = ( newNormals[0] & 0xff );
- lat *= 4;
- lng *= 4;
- uncompressedNewNormal[0] = tr.sinTable[(lat+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK] * tr.sinTable[lng];
- uncompressedNewNormal[1] = tr.sinTable[lat] * tr.sinTable[lng];
- uncompressedNewNormal[2] = tr.sinTable[(lng+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK];
-
- lat = ( oldNormals[0] >> 8 ) & 0xff;
- lng = ( oldNormals[0] & 0xff );
- lat *= 4;
- lng *= 4;
-
- uncompressedOldNormal[0] = tr.sinTable[(lat+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK] * tr.sinTable[lng];
- uncompressedOldNormal[1] = tr.sinTable[lat] * tr.sinTable[lng];
- uncompressedOldNormal[2] = tr.sinTable[(lng+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK];
-
- outNormal[0] = uncompressedOldNormal[0] * oldNormalScale + uncompressedNewNormal[0] * newNormalScale;
- outNormal[1] = uncompressedOldNormal[1] * oldNormalScale + uncompressedNewNormal[1] * newNormalScale;
- outNormal[2] = uncompressedOldNormal[2] * oldNormalScale + uncompressedNewNormal[2] * newNormalScale;
-
-// VectorNormalize (outNormal);
- }
- VectorArrayNormalize((vec4_t *)tess.normal[tess.numVertexes], numVerts);
- }
-}
-#endif
-#endif
-
-static void LerpMeshVertexes_scalar(mdvSurface_t *surf, float backlerp)
+static void LerpMeshVertexes(mdvSurface_t *surf, float backlerp)
{
-#if 0
- short *oldXyz, *newXyz, *oldNormals, *newNormals;
- float *outXyz, *outNormal;
- float oldXyzScale, newXyzScale;
- float oldNormalScale, newNormalScale;
- int vertNum;
- unsigned lat, lng;
- int numVerts;
-
- outXyz = tess.xyz[tess.numVertexes];
- outNormal = tess.normal[tess.numVertexes];
-
- newXyz = (short *)((byte *)surf + surf->ofsXyzNormals)
- + (backEnd.currentEntity->e.frame * surf->numVerts * 4);
- newNormals = newXyz + 3;
-
- newXyzScale = MD3_XYZ_SCALE * (1.0 - backlerp);
- newNormalScale = 1.0 - backlerp;
-
- numVerts = surf->numVerts;
-
- if ( backlerp == 0 ) {
- //
- // just copy the vertexes
- //
- for (vertNum=0 ; vertNum < numVerts ; vertNum++,
- newXyz += 4, newNormals += 4,
- outXyz += 4, outNormal += 4)
- {
-
- outXyz[0] = newXyz[0] * newXyzScale;
- outXyz[1] = newXyz[1] * newXyzScale;
- outXyz[2] = newXyz[2] * newXyzScale;
-
- lat = ( newNormals[0] >> 8 ) & 0xff;
- lng = ( newNormals[0] & 0xff );
- lat *= (FUNCTABLE_SIZE/256);
- lng *= (FUNCTABLE_SIZE/256);
-
- // decode X as cos( lat ) * sin( long )
- // decode Y as sin( lat ) * sin( long )
- // decode Z as cos( long )
-
- outNormal[0] = tr.sinTable[(lat+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK] * tr.sinTable[lng];
- outNormal[1] = tr.sinTable[lat] * tr.sinTable[lng];
- outNormal[2] = tr.sinTable[(lng+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK];
- }
- } else {
- //
- // interpolate and copy the vertex and normal
- //
- oldXyz = (short *)((byte *)surf + surf->ofsXyzNormals)
- + (backEnd.currentEntity->e.oldframe * surf->numVerts * 4);
- oldNormals = oldXyz + 3;
-
- oldXyzScale = MD3_XYZ_SCALE * backlerp;
- oldNormalScale = backlerp;
-
- for (vertNum=0 ; vertNum < numVerts ; vertNum++,
- oldXyz += 4, newXyz += 4, oldNormals += 4, newNormals += 4,
- outXyz += 4, outNormal += 4)
- {
- vec3_t uncompressedOldNormal, uncompressedNewNormal;
-
- // interpolate the xyz
- outXyz[0] = oldXyz[0] * oldXyzScale + newXyz[0] * newXyzScale;
- outXyz[1] = oldXyz[1] * oldXyzScale + newXyz[1] * newXyzScale;
- outXyz[2] = oldXyz[2] * oldXyzScale + newXyz[2] * newXyzScale;
-
- // FIXME: interpolate lat/long instead?
- lat = ( newNormals[0] >> 8 ) & 0xff;
- lng = ( newNormals[0] & 0xff );
- lat *= 4;
- lng *= 4;
- uncompressedNewNormal[0] = tr.sinTable[(lat+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK] * tr.sinTable[lng];
- uncompressedNewNormal[1] = tr.sinTable[lat] * tr.sinTable[lng];
- uncompressedNewNormal[2] = tr.sinTable[(lng+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK];
-
- lat = ( oldNormals[0] >> 8 ) & 0xff;
- lng = ( oldNormals[0] & 0xff );
- lat *= 4;
- lng *= 4;
-
- uncompressedOldNormal[0] = tr.sinTable[(lat+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK] * tr.sinTable[lng];
- uncompressedOldNormal[1] = tr.sinTable[lat] * tr.sinTable[lng];
- uncompressedOldNormal[2] = tr.sinTable[(lng+(FUNCTABLE_SIZE/4))&FUNCTABLE_MASK];
-
- outNormal[0] = uncompressedOldNormal[0] * oldNormalScale + uncompressedNewNormal[0] * newNormalScale;
- outNormal[1] = uncompressedOldNormal[1] * oldNormalScale + uncompressedNewNormal[1] * newNormalScale;
- outNormal[2] = uncompressedOldNormal[2] * oldNormalScale + uncompressedNewNormal[2] * newNormalScale;
-
-// VectorNormalize (outNormal);
- }
- VectorArrayNormalize((vec4_t *)tess.normal[tess.numVertexes], numVerts);
- }
-#endif
float *outXyz;
- uint32_t *outNormal;
+ int16_t *outNormal, *outTangent;
mdvVertex_t *newVerts;
int vertNum;
newVerts = surf->verts + backEnd.currentEntity->e.frame * surf->numVerts;
- outXyz = tess.xyz[tess.numVertexes];
- outNormal = &tess.normal[tess.numVertexes];
+ outXyz = tess.xyz[tess.numVertexes];
+ outNormal = tess.normal[tess.numVertexes];
+ outTangent = tess.tangent[tess.numVertexes];
if (backlerp == 0)
{
@@ -1152,16 +864,14 @@ static void LerpMeshVertexes_scalar(mdvSurface_t *surf, float backlerp)
for (vertNum=0 ; vertNum < surf->numVerts ; vertNum++)
{
- vec3_t normal;
-
VectorCopy(newVerts->xyz, outXyz);
- VectorCopy(newVerts->normal, normal);
-
- R_VaoPackNormal((byte *)outNormal, normal);
+ VectorCopy4(newVerts->normal, outNormal);
+ VectorCopy4(newVerts->tangent, outTangent);
newVerts++;
outXyz += 4;
- outNormal++;
+ outNormal += 4;
+ outTangent += 4;
}
}
else
@@ -1176,37 +886,28 @@ static void LerpMeshVertexes_scalar(mdvSurface_t *surf, float backlerp)
for (vertNum=0 ; vertNum < surf->numVerts ; vertNum++)
{
- vec3_t normal;
-
VectorLerp(newVerts->xyz, oldVerts->xyz, backlerp, outXyz);
- VectorLerp(newVerts->normal, oldVerts->normal, backlerp, normal);
- VectorNormalize(normal);
- R_VaoPackNormal((byte *)outNormal, normal);
+ outNormal[0] = (int16_t)(newVerts->normal[0] * (1.0f - backlerp) + oldVerts->normal[0] * backlerp);
+ outNormal[1] = (int16_t)(newVerts->normal[1] * (1.0f - backlerp) + oldVerts->normal[1] * backlerp);
+ outNormal[2] = (int16_t)(newVerts->normal[2] * (1.0f - backlerp) + oldVerts->normal[2] * backlerp);
+ outNormal[3] = 0;
+
+ outTangent[0] = (int16_t)(newVerts->tangent[0] * (1.0f - backlerp) + oldVerts->tangent[0] * backlerp);
+ outTangent[1] = (int16_t)(newVerts->tangent[1] * (1.0f - backlerp) + oldVerts->tangent[1] * backlerp);
+ outTangent[2] = (int16_t)(newVerts->tangent[2] * (1.0f - backlerp) + oldVerts->tangent[2] * backlerp);
+ outTangent[3] = newVerts->tangent[3];
newVerts++;
oldVerts++;
outXyz += 4;
- outNormal++;
+ outNormal += 4;
+ outTangent += 4;
}
}
}
-static void LerpMeshVertexes(mdvSurface_t *surf, float backlerp)
-{
-#if 0
-#if idppc_altivec
- if (com_altivec->integer) {
- // must be in a seperate function or G3 systems will crash.
- LerpMeshVertexes_altivec( surf, backlerp );
- return;
- }
-#endif // idppc_altivec
-#endif
- LerpMeshVertexes_scalar( surf, backlerp );
-}
-
/*
=============
@@ -1311,12 +1012,12 @@ static void RB_SurfaceGrid( srfBspSurface_t *srf ) {
int i, j;
float *xyz;
float *texCoords, *lightCoords;
- uint32_t *normal;
+ int16_t *normal;
#ifdef USE_VERT_TANGENT_SPACE
- uint32_t *tangent;
+ int16_t *tangent;
#endif
float *color;
- uint32_t *lightdir;
+ int16_t *lightdir;
srfVert_t *dv;
int rows, irows, vrows;
int used;
@@ -1401,14 +1102,14 @@ static void RB_SurfaceGrid( srfBspSurface_t *srf ) {
numVertexes = tess.numVertexes;
xyz = tess.xyz[numVertexes];
- normal = &tess.normal[numVertexes];
+ normal = tess.normal[numVertexes];
#ifdef USE_VERT_TANGENT_SPACE
- tangent = &tess.tangent[numVertexes];
+ tangent = tess.tangent[numVertexes];
#endif
texCoords = tess.texCoords[numVertexes][0];
lightCoords = tess.texCoords[numVertexes][1];
color = tess.vertexColors[numVertexes];
- lightdir = &tess.lightdir[numVertexes];
+ lightdir = tess.lightdir[numVertexes];
//vDlightBits = &tess.vertexDlightBits[numVertexes];
for ( i = 0 ; i < rows ; i++ ) {
@@ -1424,13 +1125,15 @@ static void RB_SurfaceGrid( srfBspSurface_t *srf ) {
if ( tess.shader->vertexAttribs & ATTR_NORMAL )
{
- R_VaoPackNormal((byte *)normal++, dv->normal);
+ VectorCopy4(normal, dv->normal);
+ normal += 4;
}
#ifdef USE_VERT_TANGENT_SPACE
if ( tess.shader->vertexAttribs & ATTR_TANGENT )
{
- R_VaoPackTangent((byte *)tangent++, dv->tangent);
+ VectorCopy4(tangent, dv->tangent);
+ tangent += 4;
}
#endif
if ( tess.shader->vertexAttribs & ATTR_TEXCOORD )
@@ -1453,7 +1156,8 @@ static void RB_SurfaceGrid( srfBspSurface_t *srf ) {
if ( tess.shader->vertexAttribs & ATTR_LIGHTDIRECTION )
{
- R_VaoPackNormal((byte *)lightdir++, dv->lightdir);
+ VectorCopy4(lightdir, dv->lightdir);
+ lightdir += 4;
}
//*vDlightBits++ = dlightBits;
diff --git a/code/renderergl2/tr_vbo.c b/code/renderergl2/tr_vbo.c
index b1ff3d6..db3d8eb 100644
--- a/code/renderergl2/tr_vbo.c
+++ b/code/renderergl2/tr_vbo.c
@@ -23,73 +23,20 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include "tr_local.h"
-union pack10_u {
- struct {
- signed int x:10;
- signed int y:10;
- signed int z:10;
- signed int w:2;
- } pack;
- uint32_t i;
-};
-
-union pack8_u {
- struct {
- signed int x:8;
- signed int y:8;
- signed int z:8;
- signed int w:8;
- } pack;
- uint32_t i;
-};
-
-
-int R_VaoPackTangent(byte *out, vec4_t v)
+void R_VaoPackTangent(int16_t *out, vec4_t v)
{
- if (glRefConfig.packedNormalDataType == GL_INT_2_10_10_10_REV)
- {
- union pack10_u *num = (union pack10_u *)out;
-
- num->pack.x = v[0] * 511.0f;
- num->pack.y = v[1] * 511.0f;
- num->pack.z = v[2] * 511.0f;
- num->pack.w = v[3];
- }
- else
- {
- union pack8_u *num = (union pack8_u *)out;
-
- num->pack.x = v[0] * 127.0f;
- num->pack.y = v[1] * 127.0f;
- num->pack.z = v[2] * 127.0f;
- num->pack.w = v[3] * 127.0f;
- }
-
- return 4;
+ out[0] = v[0] * 32767.0f + (v[0] > 0.0f ? 0.5f : -0.5f);
+ out[1] = v[1] * 32767.0f + (v[1] > 0.0f ? 0.5f : -0.5f);
+ out[2] = v[2] * 32767.0f + (v[2] > 0.0f ? 0.5f : -0.5f);
+ out[3] = v[3] * 32767.0f + (v[3] > 0.0f ? 0.5f : -0.5f);
}
-int R_VaoPackNormal(byte *out, vec3_t v)
+void R_VaoPackNormal(int16_t *out, vec3_t v)
{
- if (glRefConfig.packedNormalDataType == GL_INT_2_10_10_10_REV)
- {
- union pack10_u *num = (union pack10_u *)out;
-
- num->pack.x = v[0] * 511.0f;
- num->pack.y = v[1] * 511.0f;
- num->pack.z = v[2] * 511.0f;
- num->pack.w = 0;
- }
- else
- {
- union pack8_u *num = (union pack8_u *)out;
-
- num->pack.x = v[0] * 127.0f;
- num->pack.y = v[1] * 127.0f;
- num->pack.z = v[2] * 127.0f;
- num->pack.w = 0;
- }
-
- return 4;
+ out[0] = v[0] * 32767.0f + (v[0] > 0.0f ? 0.5f : -0.5f);
+ out[1] = v[1] * 32767.0f + (v[1] > 0.0f ? 0.5f : -0.5f);
+ out[2] = v[2] * 32767.0f + (v[2] > 0.0f ? 0.5f : -0.5f);
+ out[3] = 0;
}
int R_VaoPackTexCoord(byte *out, vec2_t st)
@@ -140,50 +87,21 @@ int R_VaoPackColors(byte *out, vec4_t color)
}
}
-
-void R_VaoUnpackTangent(vec4_t v, uint32_t b)
+void R_VaoUnpackTangent(vec4_t v, int16_t *pack)
{
- if (glRefConfig.packedNormalDataType == GL_INT_2_10_10_10_REV)
- {
- union pack10_u *num = (union pack10_u *)&b;
-
- v[0] = num->pack.x / 511.0f;
- v[1] = num->pack.y / 511.0f;
- v[2] = num->pack.z / 511.0f;
- v[3] = num->pack.w;
- }
- else
- {
- union pack8_u *num = (union pack8_u *)&b;
-
- v[0] = num->pack.x / 127.0f;
- v[1] = num->pack.y / 127.0f;
- v[2] = num->pack.z / 127.0f;
- v[3] = num->pack.w / 127.0f;
- }
+ v[0] = pack[0] / 32767.0f;
+ v[1] = pack[1] / 32767.0f;
+ v[2] = pack[2] / 32767.0f;
+ v[3] = pack[3] / 32767.0f;
}
-void R_VaoUnpackNormal(vec3_t v, uint32_t b)
+void R_VaoUnpackNormal(vec3_t v, int16_t *pack)
{
- if (glRefConfig.packedNormalDataType == GL_INT_2_10_10_10_REV)
- {
- union pack10_u *num = (union pack10_u *)&b;
-
- v[0] = num->pack.x / 511.0f;
- v[1] = num->pack.y / 511.0f;
- v[2] = num->pack.z / 511.0f;
- }
- else
- {
- union pack8_u *num = (union pack8_u *)&b;
-
- v[0] = num->pack.x / 127.0f;
- v[1] = num->pack.y / 127.0f;
- v[2] = num->pack.z / 127.0f;
- }
+ v[0] = pack[0] / 32767.0f;
+ v[1] = pack[1] / 32767.0f;
+ v[2] = pack[2] / 32767.0f;
}
-
void Vao_SetVertexPointers(vao_t *vao)
{
int attribIndex;
@@ -347,12 +265,12 @@ vao_t *R_CreateVao2(const char *name, int numVertexes, srfVert_t *verts, int num
vao->attribs[ATTR_INDEX_LIGHTDIRECTION].count = 4;
vao->attribs[ATTR_INDEX_POSITION ].type = GL_FLOAT;
- vao->attribs[ATTR_INDEX_NORMAL ].type = glRefConfig.packedNormalDataType;
- vao->attribs[ATTR_INDEX_TANGENT ].type = glRefConfig.packedNormalDataType;
+ vao->attribs[ATTR_INDEX_NORMAL ].type = GL_SHORT;
+ vao->attribs[ATTR_INDEX_TANGENT ].type = GL_SHORT;
vao->attribs[ATTR_INDEX_TEXCOORD ].type = glRefConfig.packedTexcoordDataType;
vao->attribs[ATTR_INDEX_LIGHTCOORD ].type = glRefConfig.packedTexcoordDataType;
vao->attribs[ATTR_INDEX_COLOR ].type = glRefConfig.packedColorDataType;
- vao->attribs[ATTR_INDEX_LIGHTDIRECTION].type = glRefConfig.packedNormalDataType;
+ vao->attribs[ATTR_INDEX_LIGHTDIRECTION].type = GL_SHORT;
vao->attribs[ATTR_INDEX_POSITION ].normalized = GL_FALSE;
vao->attribs[ATTR_INDEX_NORMAL ].normalized = GL_TRUE;
@@ -363,14 +281,14 @@ vao_t *R_CreateVao2(const char *name, int numVertexes, srfVert_t *verts, int num
vao->attribs[ATTR_INDEX_LIGHTDIRECTION].normalized = GL_TRUE;
vao->attribs[ATTR_INDEX_POSITION ].offset = 0; dataSize = sizeof(verts[0].xyz);
- vao->attribs[ATTR_INDEX_NORMAL ].offset = dataSize; dataSize += sizeof(uint32_t);
+ vao->attribs[ATTR_INDEX_NORMAL ].offset = dataSize; dataSize += sizeof(verts[0].normal);
#ifdef USE_VERT_TANGENT_SPACE
- vao->attribs[ATTR_INDEX_TANGENT ].offset = dataSize; dataSize += sizeof(uint32_t);
+ vao->attribs[ATTR_INDEX_TANGENT ].offset = dataSize; dataSize += sizeof(verts[0].tangent);
#endif
vao->attribs[ATTR_INDEX_TEXCOORD ].offset = dataSize; dataSize += glRefConfig.packedTexcoordDataSize;
vao->attribs[ATTR_INDEX_LIGHTCOORD ].offset = dataSize; dataSize += glRefConfig.packedTexcoordDataSize;
vao->attribs[ATTR_INDEX_COLOR ].offset = dataSize; dataSize += glRefConfig.packedColorDataSize;
- vao->attribs[ATTR_INDEX_LIGHTDIRECTION].offset = dataSize; dataSize += sizeof(uint32_t);
+ vao->attribs[ATTR_INDEX_LIGHTDIRECTION].offset = dataSize; dataSize += sizeof(verts[0].lightdir);
vao->attribs[ATTR_INDEX_POSITION ].stride = dataSize;
vao->attribs[ATTR_INDEX_NORMAL ].stride = dataSize;
@@ -400,11 +318,13 @@ vao_t *R_CreateVao2(const char *name, int numVertexes, srfVert_t *verts, int num
dataOfs += sizeof(verts[i].xyz);
// normal
- dataOfs += R_VaoPackNormal(data + dataOfs, verts[i].normal);
+ memcpy(data + dataOfs, &verts[i].normal, sizeof(verts[i].normal));
+ dataOfs += sizeof(verts[i].normal);
#ifdef USE_VERT_TANGENT_SPACE
// tangent
- dataOfs += R_VaoPackTangent(data + dataOfs, verts[i].tangent);
+ memcpy(data + dataOfs, &verts[i].tangent, sizeof(verts[i].tangent));
+ dataOfs += sizeof(verts[i].tangent);
#endif
// texcoords
@@ -417,7 +337,8 @@ vao_t *R_CreateVao2(const char *name, int numVertexes, srfVert_t *verts, int num
dataOfs += R_VaoPackColors(data + dataOfs, verts[i].vertexColors);
// light directions
- dataOfs += R_VaoPackNormal(data + dataOfs, verts[i].lightdir);
+ memcpy(data + dataOfs, &verts[i].lightdir, sizeof(verts[i].lightdir));
+ dataOfs += sizeof(verts[i].lightdir);
}
vao->vertexesSize = dataSize;
@@ -581,12 +502,12 @@ void R_InitVaos(void)
tess.vao->attribs[ATTR_INDEX_LIGHTDIRECTION].count = 4;
tess.vao->attribs[ATTR_INDEX_POSITION ].type = GL_FLOAT;
- tess.vao->attribs[ATTR_INDEX_NORMAL ].type = glRefConfig.packedNormalDataType;
- tess.vao->attribs[ATTR_INDEX_TANGENT ].type = glRefConfig.packedNormalDataType;
+ tess.vao->attribs[ATTR_INDEX_NORMAL ].type = GL_SHORT;
+ tess.vao->attribs[ATTR_INDEX_TANGENT ].type = GL_SHORT;
tess.vao->attribs[ATTR_INDEX_TEXCOORD ].type = GL_FLOAT;
tess.vao->attribs[ATTR_INDEX_LIGHTCOORD ].type = GL_FLOAT;
tess.vao->attribs[ATTR_INDEX_COLOR ].type = GL_FLOAT;
- tess.vao->attribs[ATTR_INDEX_LIGHTDIRECTION].type = glRefConfig.packedNormalDataType;
+ tess.vao->attribs[ATTR_INDEX_LIGHTDIRECTION].type = GL_SHORT;
tess.vao->attribs[ATTR_INDEX_POSITION ].normalized = GL_FALSE;
tess.vao->attribs[ATTR_INDEX_NORMAL ].normalized = GL_TRUE;
--
Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/pkg-games/ioquake3.git
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