diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-08-01 20:55:43 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2009-08-01 20:55:43 -0400 |
| commit | 86ac0ae0b09566d0cd66dcfc17192780f7e2df03 (patch) | |
| tree | 7d2b2f36d546e3c803bc515e2cb6921c659cabad | |
| parent | 9a1c336253579d8b58b31910325227b22b4af395 (diff) | |
r600: fix rectangle textures
It might be better to add an instruction to normalize the
coordinates for rectanglular textures as there are some limitations
to wrap modes on unnormalized tex coords.
fixes texrect
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_assembler.c | 36 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_assembler.h | 2 |
2 files changed, 27 insertions, 11 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_assembler.c b/src/mesa/drivers/dri/r600/r700_assembler.c index ebd5ff106b..0abf112b55 100644 --- a/src/mesa/drivers/dri/r600/r700_assembler.c +++ b/src/mesa/drivers/dri/r600/r700_assembler.c @@ -1205,7 +1205,7 @@ GLboolean tex_src(r700_AssemblerBase *pAsm) return GL_TRUE; } -GLboolean assemble_tex_instruction(r700_AssemblerBase *pAsm) +GLboolean assemble_tex_instruction(r700_AssemblerBase *pAsm, GLboolean normalized) { PVSSRC * texture_coordinate_source; PVSSRC * texture_unit_source; @@ -1227,10 +1227,18 @@ GLboolean assemble_tex_instruction(r700_AssemblerBase *pAsm) tex_instruction_ptr->m_Word0.f.resource_id = texture_unit_source->reg; tex_instruction_ptr->m_Word1.f.lod_bias = 0x0; - tex_instruction_ptr->m_Word1.f.coord_type_x = SQ_TEX_NORMALIZED; - tex_instruction_ptr->m_Word1.f.coord_type_y = SQ_TEX_NORMALIZED; - tex_instruction_ptr->m_Word1.f.coord_type_z = SQ_TEX_NORMALIZED; - tex_instruction_ptr->m_Word1.f.coord_type_w = SQ_TEX_NORMALIZED; + if (normalized) { + tex_instruction_ptr->m_Word1.f.coord_type_x = SQ_TEX_NORMALIZED; + tex_instruction_ptr->m_Word1.f.coord_type_y = SQ_TEX_NORMALIZED; + tex_instruction_ptr->m_Word1.f.coord_type_z = SQ_TEX_NORMALIZED; + tex_instruction_ptr->m_Word1.f.coord_type_w = SQ_TEX_NORMALIZED; + } else { + /* XXX: UNNORMALIZED tex coords have limited wrap modes */ + tex_instruction_ptr->m_Word1.f.coord_type_x = SQ_TEX_UNNORMALIZED; + tex_instruction_ptr->m_Word1.f.coord_type_y = SQ_TEX_UNNORMALIZED; + tex_instruction_ptr->m_Word1.f.coord_type_z = SQ_TEX_UNNORMALIZED; + tex_instruction_ptr->m_Word1.f.coord_type_w = SQ_TEX_UNNORMALIZED; + } tex_instruction_ptr->m_Word2.f.offset_x = 0x0; tex_instruction_ptr->m_Word2.f.offset_y = 0x0; @@ -2196,11 +2204,19 @@ GLboolean next_ins(r700_AssemblerBase *pAsm) if( GL_TRUE == IsTex(pILInst->Opcode) ) { - if( GL_FALSE == assemble_tex_instruction(pAsm) ) - { - r700_error(ERROR_ASM_TEXINSTRUCTION, "Error assembling TEX instruction"); - return GL_FALSE; - } + if (pILInst->TexSrcTarget == TEXTURE_RECT_INDEX) { + if( GL_FALSE == assemble_tex_instruction(pAsm, GL_FALSE) ) + { + r700_error(ERROR_ASM_TEXINSTRUCTION, "Error assembling TEX instruction"); + return GL_FALSE; + } + } else { + if( GL_FALSE == assemble_tex_instruction(pAsm, GL_TRUE) ) + { + r700_error(ERROR_ASM_TEXINSTRUCTION, "Error assembling TEX instruction"); + return GL_FALSE; + } + } } else { //ALU diff --git a/src/mesa/drivers/dri/r600/r700_assembler.h b/src/mesa/drivers/dri/r600/r700_assembler.h index e9b21b802e..f9c4d849c6 100644 --- a/src/mesa/drivers/dri/r600/r700_assembler.h +++ b/src/mesa/drivers/dri/r600/r700_assembler.h @@ -424,7 +424,7 @@ GLboolean assemble_src(r700_AssemblerBase *pAsm, GLboolean assemble_dst(r700_AssemblerBase *pAsm); GLboolean tex_dst(r700_AssemblerBase *pAsm); GLboolean tex_src(r700_AssemblerBase *pAsm); -GLboolean assemble_tex_instruction(r700_AssemblerBase *pAsm); +GLboolean assemble_tex_instruction(r700_AssemblerBase *pAsm, GLboolean normalized); void initialize(r700_AssemblerBase *pAsm); GLboolean assemble_alu_src(R700ALUInstruction* alu_instruction_ptr, int source_index, |