Module: Mesa Branch: master Commit: 86ac0ae0b09566d0cd66dcfc17192780f7e2df03 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=86ac0ae0b09566d0cd66dcfc17192780f7e2df03
Author: Alex Deucher <[email protected]> Date: Sat Aug 1 20:55:43 2009 -0400 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 --- src/mesa/drivers/dri/r600/r700_assembler.c | 36 ++++++++++++++++++++------- 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 ebd5ff1..0abf112 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 e9b21b8..f9c4d84 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, _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
