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OpenGL2: Support half floats for texcoords and vertex colors.

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This commit is contained in:
SmileTheory 2014-11-03 19:10:35 -08:00
parent 1ba9e7a45e
commit 943259f6b4
10 changed files with 193 additions and 154 deletions
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34
code/renderergl2/tr_model.c
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@ -674,10 +674,10 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
{
// vertex animation, store texcoords first, then position/normal/tangents
offset_st = 0;
offset_xyz = surf->numVerts * sizeof(vec2_t);
offset_xyz = surf->numVerts * glRefConfig.packedTexcoordDataSize;
offset_normal = offset_xyz + sizeof(vec3_t);
offset_tangent = offset_normal + sizeof(uint32_t);
stride_st = sizeof(vec2_t);
stride_st = glRefConfig.packedTexcoordDataSize;
stride_xyz = sizeof(vec3_t) + sizeof(uint32_t);
#ifdef USE_VERT_TANGENT_SPACE
stride_xyz += sizeof(uint32_t);
@ -691,7 +691,7 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
// no animation, interleave everything
offset_xyz = 0;
offset_st = offset_xyz + sizeof(vec3_t);
offset_normal = offset_st + sizeof(vec2_t);
offset_normal = offset_st + glRefConfig.packedTexcoordDataSize;
offset_tangent = offset_normal + sizeof(uint32_t);
#ifdef USE_VERT_TANGENT_SPACE
stride_xyz = offset_tangent + sizeof(uint32_t);
@ -711,8 +711,7 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
{
st = surf->st;
for ( j = 0 ; j < surf->numVerts ; j++, st++ ) {
memcpy(data + dataOfs, &st->st, sizeof(vec2_t));
dataOfs += sizeof(vec2_t);
dataOfs += R_VaoPackTexCoord(data + dataOfs, st->st);
}
v = surf->verts;
@ -722,16 +721,12 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
vec3_t nxt;
vec4_t tangent;
#endif
uint32_t *p;
// xyz
memcpy(data + dataOfs, &v->xyz, sizeof(vec3_t));
dataOfs += sizeof(vec3_t);
// normal
p = (uint32_t *)(data + dataOfs);
*p = R_VaoPackNormal(v->normal);
dataOfs += sizeof(uint32_t);
dataOfs += R_VaoPackNormal(data + dataOfs, v->normal);
#ifdef USE_VERT_TANGENT_SPACE
CrossProduct(v->normal, v->tangent, nxt);
@ -739,9 +734,7 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
tangent[3] = (DotProduct(nxt, v->bitangent) < 0.0f) ? -1.0f : 1.0f;
// tangent
p = (uint32_t *)(data + dataOfs);
*p = R_VaoPackTangent(tangent);
dataOfs += sizeof(uint32_t);
dataOfs += R_VaoPackTangent(data + dataOfs, tangent);
#endif
}
}
@ -755,20 +748,15 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
vec3_t nxt;
vec4_t tangent;
#endif
uint32_t *p;
// xyz
memcpy(data + dataOfs, &v->xyz, sizeof(vec3_t));
dataOfs += sizeof(v->xyz);
// st
memcpy(data + dataOfs, &st->st, sizeof(vec2_t));
dataOfs += sizeof(st->st);
dataOfs += R_VaoPackTexCoord(data + dataOfs, st->st);
// normal
p = (uint32_t *)(data + dataOfs);
*p = R_VaoPackNormal(v->normal);
dataOfs += sizeof(uint32_t);
dataOfs += R_VaoPackNormal(data + dataOfs, v->normal);
#ifdef USE_VERT_TANGENT_SPACE
CrossProduct(v->normal, v->tangent, nxt);
@ -776,9 +764,7 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
tangent[3] = (DotProduct(nxt, v->bitangent) < 0.0f) ? -1.0f : 1.0f;
// tangent
p = (uint32_t *)(data + dataOfs);
*p = R_VaoPackTangent(tangent);
dataOfs += sizeof(uint32_t);
dataOfs += R_VaoPackTangent(data + dataOfs, tangent);
#endif
}
}
@ -807,7 +793,7 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
vaoSurf->vao->attribs[ATTR_INDEX_TANGENT ].count = 4;
vaoSurf->vao->attribs[ATTR_INDEX_POSITION].type = GL_FLOAT;
vaoSurf->vao->attribs[ATTR_INDEX_TEXCOORD].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;