static GLboolean run_texmat_stage( GLcontext *ctx,
struct tnl_pipeline_stage *stage )
{
struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLuint i;
if (!ctx->Texture._TexMatEnabled || ctx->VertexProgram._Current)
return GL_TRUE;
/* ENABLE_TEXMAT implies that the texture matrix is not the
* identity, so we don't have to check that here.
*/
for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) {
if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i)) {
(void) TransformRaw( &store->texcoord[i],
ctx->TextureMatrixStack[i].Top,
VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]);
VB->TexCoordPtr[i] =
VB->AttribPtr[VERT_ATTRIB_TEX0+i] = &store->texcoord[i];
}
}
return GL_TRUE;
}
static void free_texmat_data( struct gl_pipeline_stage *stage )
{
struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage);
GLuint i;
if (store) {
for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++)
if (store->texcoord[i].data)
_mesa_vector4f_free( &store->texcoord[i] );
FREE( store );
stage->privatePtr = 0;
}
}
/* Called the first time stage->run() is invoked.
*/
static GLboolean alloc_texmat_data( GLcontext *ctx,
struct tnl_pipeline_stage *stage )
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
struct texmat_stage_data *store;
GLuint i;
stage->privatePtr = CALLOC(sizeof(*store));
store = TEXMAT_STAGE_DATA(stage);
if (!store)
return GL_FALSE;
for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++)
_mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 );
return GL_TRUE;
}
static GLboolean run_texmat_stage( GLcontext *ctx,
struct gl_pipeline_stage *stage )
{
struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLuint i;
/* ENABLE_TEXMAT implies that the texture matrix is not the
* identity, so we don't have to check that here.
*/
for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++)
if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i)) {
if (stage->changed_inputs & VERT_TEX(i))
(void) TransformRaw( &store->texcoord[i], &ctx->TextureMatrix[i],
VB->TexCoordPtr[i]);
VB->TexCoordPtr[i] = &store->texcoord[i];
}
return GL_TRUE;
}
