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OpenGL2: Calculate bitangent in shader, and store normal/tangent as normalized byte arrays.

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This commit is contained in:
SmileTheory 2013-11-12 19:21:51 -08:00
parent a53e7c3074
commit 6e5f8cc918
15 changed files with 268 additions and 271 deletions
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23
code/renderergl2/tr_model_iqm.c
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@ -1024,7 +1024,7 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
int i;
vec4_t *outXYZ;
vec4_t *outNormal;
uint8_t *outNormal;
vec2_t (*outTexCoord)[2];
vec4_t *outColor;
@ -1039,7 +1039,7 @@ 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][0];
outTexCoord = &tess.texCoords[tess.numVertexes];
outColor = &tess.vertexColors[tess.numVertexes];
@ -1050,7 +1050,7 @@ 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];
@ -1116,19 +1116,22 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
vtxMat[11];
(*outXYZ)[3] = 1.0f;
(*outNormal)[0] =
(outNormal)[0] = (uint8_t)((
nrmMat[ 0] * data->normals[3*vtx+0] +
nrmMat[ 1] * data->normals[3*vtx+1] +
nrmMat[ 2] * data->normals[3*vtx+2];
(*outNormal)[1] =
nrmMat[ 2] * data->normals[3*vtx+2]
)* 127.5f + 128.0f);
(outNormal)[1] = (uint8_t)((
nrmMat[ 3] * data->normals[3*vtx+0] +
nrmMat[ 4] * data->normals[3*vtx+1] +
nrmMat[ 5] * data->normals[3*vtx+2];
(*outNormal)[2] =
nrmMat[ 5] * data->normals[3*vtx+2]
)* 127.5f + 128.0f);
(outNormal)[2] = (uint8_t)((
nrmMat[ 6] * data->normals[3*vtx+0] +
nrmMat[ 7] * data->normals[3*vtx+1] +
nrmMat[ 8] * data->normals[3*vtx+2];
(*outNormal)[3] = 0.0f;
nrmMat[ 8] * data->normals[3*vtx+2]
)* 127.5f + 128.0f);
(outNormal)[3] = 0;
(*outColor)[0] = data->colors[4*vtx+0] / 255.0f;
(*outColor)[1] = data->colors[4*vtx+1] / 255.0f;