diff options
| -rw-r--r-- | src/mesa/shader/prog_execute.c | 7 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_draw.c | 12 | ||||
| -rw-r--r-- | src/mesa/swrast/s_fragprog.c | 11 |
3 files changed, 18 insertions, 12 deletions
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c index c8a762f8ff7..69b81e724a2 100644 --- a/src/mesa/shader/prog_execute.c +++ b/src/mesa/shader/prog_execute.c @@ -1555,17 +1555,12 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_TXB: /* GL_ARB_fragment_program only */ /* Texel lookup with LOD bias */ { - const GLuint unit = machine->Samplers[inst->TexSrcUnit]; - const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; GLfloat texcoord[4], color[4], lodBias; fetch_vector4(&inst->SrcReg[0], machine, texcoord); /* texcoord[3] is the bias to add to lambda */ - lodBias = texUnit->LodBias + texcoord[3]; - if (texUnit->_Current) { - lodBias += texUnit->_Current->LodBias; - } + lodBias = texcoord[3]; fetch_texel(ctx, machine, inst, texcoord, lodBias, color); diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index 503a5f34a3f..c76bff91819 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -328,23 +328,29 @@ get_arrays_bounds(const struct st_vertex_program *vp, const GLubyte **low, const GLubyte **high) { const GLubyte *low_addr = NULL; + const GLubyte *high_addr = NULL; GLuint attr; - GLint stride; for (attr = 0; attr < vp->num_inputs; attr++) { const GLuint mesaAttr = vp->index_to_input[attr]; + const GLint stride = arrays[mesaAttr]->StrideB; const GLubyte *start = arrays[mesaAttr]->Ptr; - stride = arrays[mesaAttr]->StrideB; + const unsigned sz = (arrays[mesaAttr]->Size * + _mesa_sizeof_type(arrays[mesaAttr]->Type)); + const GLubyte *end = start + (max_index * stride) + sz; + if (attr == 0) { low_addr = start; + high_addr = end; } else { low_addr = MIN2(low_addr, start); + high_addr = MAX2(high_addr, end); } } *low = low_addr; - *high = low_addr + (max_index + 1) * stride; + *high = high_addr; } diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c index 613a91b0ecd..77a77f0bcbb 100644 --- a/src/mesa/swrast/s_fragprog.c +++ b/src/mesa/swrast/s_fragprog.c @@ -89,6 +89,8 @@ fetch_texel_lod( GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda, * Fetch a texel with the given partial derivatives to compute a level * of detail in the mipmap. * Called via machine->FetchTexelDeriv() + * \param lodBias the lod bias which may be specified by a TXB instruction, + * otherwise zero. */ static void fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4], @@ -96,7 +98,8 @@ fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4], GLfloat lodBias, GLuint unit, GLfloat color[4] ) { SWcontext *swrast = SWRAST_CONTEXT(ctx); - const struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current; + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; + const struct gl_texture_object *texObj = texUnit->_Current; if (texObj) { const struct gl_texture_image *texImg = @@ -108,10 +111,12 @@ fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4], lambda = _swrast_compute_lambda(texdx[0], texdy[0], /* ds/dx, ds/dy */ texdx[1], texdy[1], /* dt/dx, dt/dy */ - texdx[3], texdy[2], /* dq/dx, dq/dy */ + texdx[3], texdy[3], /* dq/dx, dq/dy */ texW, texH, texcoord[0], texcoord[1], texcoord[3], - 1.0F / texcoord[3]) + lodBias; + 1.0F / texcoord[3]); + + lambda += lodBias + texUnit->LodBias + texObj->LodBias; lambda = CLAMP(lambda, texObj->MinLod, texObj->MaxLod); |