diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c')
-rw-r--r-- | src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c | 141 |
1 files changed, 92 insertions, 49 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c b/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c index 80b569ade6..305dc074ee 100644 --- a/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c +++ b/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c @@ -46,8 +46,18 @@ #include "r300_fragprog_swizzle.h" +struct r300_emit_state { + struct r300_fragment_program_compiler * compiler; + + unsigned current_node : 2; + unsigned node_first_tex : 8; + unsigned node_first_alu : 8; + uint32_t node_flags; +}; + #define PROG_CODE \ - struct r300_fragment_program_compiler *c = (struct r300_fragment_program_compiler*)data; \ + struct r300_emit_state * emit = (struct r300_emit_state*)data; \ + struct r300_fragment_program_compiler *c = emit->compiler; \ struct r300_fragment_program_code *code = &c->code->code.r300 #define error(fmt, args...) do { \ @@ -61,8 +71,8 @@ */ static void use_temporary(struct r300_fragment_program_code *code, GLuint index) { - if (index > code->max_temp_idx) - code->max_temp_idx = index; + if (index > code->pixsize) + code->pixsize = index; } @@ -121,62 +131,61 @@ static GLboolean emit_alu(void* data, struct radeon_pair_instruction* inst) int ip = code->alu.length++; int j; - code->node[code->cur_node].alu_end++; - code->alu.inst[ip].inst0 = translate_rgb_opcode(c, inst->RGB.Opcode); - code->alu.inst[ip].inst2 = translate_alpha_opcode(c, inst->Alpha.Opcode); + code->alu.inst[ip].rgb_inst = translate_rgb_opcode(c, inst->RGB.Opcode); + code->alu.inst[ip].alpha_inst = translate_alpha_opcode(c, inst->Alpha.Opcode); for(j = 0; j < 3; ++j) { GLuint src = inst->RGB.Src[j].Index | (inst->RGB.Src[j].Constant << 5); if (!inst->RGB.Src[j].Constant) use_temporary(code, inst->RGB.Src[j].Index); - code->alu.inst[ip].inst1 |= src << (6*j); + code->alu.inst[ip].rgb_addr |= src << (6*j); src = inst->Alpha.Src[j].Index | (inst->Alpha.Src[j].Constant << 5); if (!inst->Alpha.Src[j].Constant) use_temporary(code, inst->Alpha.Src[j].Index); - code->alu.inst[ip].inst3 |= src << (6*j); + code->alu.inst[ip].alpha_addr |= src << (6*j); GLuint arg = r300FPTranslateRGBSwizzle(inst->RGB.Arg[j].Source, inst->RGB.Arg[j].Swizzle); arg |= inst->RGB.Arg[j].Abs << 6; arg |= inst->RGB.Arg[j].Negate << 5; - code->alu.inst[ip].inst0 |= arg << (7*j); + code->alu.inst[ip].rgb_inst |= arg << (7*j); arg = r300FPTranslateAlphaSwizzle(inst->Alpha.Arg[j].Source, inst->Alpha.Arg[j].Swizzle); arg |= inst->Alpha.Arg[j].Abs << 6; arg |= inst->Alpha.Arg[j].Negate << 5; - code->alu.inst[ip].inst2 |= arg << (7*j); + code->alu.inst[ip].alpha_inst |= arg << (7*j); } if (inst->RGB.Saturate) - code->alu.inst[ip].inst0 |= R300_ALU_OUTC_CLAMP; + code->alu.inst[ip].rgb_inst |= R300_ALU_OUTC_CLAMP; if (inst->Alpha.Saturate) - code->alu.inst[ip].inst2 |= R300_ALU_OUTA_CLAMP; + code->alu.inst[ip].alpha_inst |= R300_ALU_OUTA_CLAMP; if (inst->RGB.WriteMask) { use_temporary(code, inst->RGB.DestIndex); - code->alu.inst[ip].inst1 |= + code->alu.inst[ip].rgb_addr |= (inst->RGB.DestIndex << R300_ALU_DSTC_SHIFT) | (inst->RGB.WriteMask << R300_ALU_DSTC_REG_MASK_SHIFT); } if (inst->RGB.OutputWriteMask) { - code->alu.inst[ip].inst1 |= (inst->RGB.OutputWriteMask << R300_ALU_DSTC_OUTPUT_MASK_SHIFT); - code->node[code->cur_node].flags |= R300_RGBA_OUT; + code->alu.inst[ip].rgb_addr |= (inst->RGB.OutputWriteMask << R300_ALU_DSTC_OUTPUT_MASK_SHIFT); + emit->node_flags |= R300_RGBA_OUT; } if (inst->Alpha.WriteMask) { use_temporary(code, inst->Alpha.DestIndex); - code->alu.inst[ip].inst3 |= + code->alu.inst[ip].alpha_addr |= (inst->Alpha.DestIndex << R300_ALU_DSTA_SHIFT) | R300_ALU_DSTA_REG; } if (inst->Alpha.OutputWriteMask) { - code->alu.inst[ip].inst3 |= R300_ALU_DSTA_OUTPUT; - code->node[code->cur_node].flags |= R300_RGBA_OUT; + code->alu.inst[ip].alpha_addr |= R300_ALU_DSTA_OUTPUT; + emit->node_flags |= R300_RGBA_OUT; } if (inst->Alpha.DepthWriteMask) { - code->alu.inst[ip].inst3 |= R300_ALU_DSTA_DEPTH; - code->node[code->cur_node].flags |= R300_W_OUT; + code->alu.inst[ip].alpha_addr |= R300_ALU_DSTA_DEPTH; + emit->node_flags |= R300_W_OUT; c->code->writes_depth = GL_TRUE; } @@ -187,31 +196,50 @@ static GLboolean emit_alu(void* data, struct radeon_pair_instruction* inst) /** * Finish the current node without advancing to the next one. */ -static GLboolean finish_node(struct r300_fragment_program_compiler *c) +static GLboolean finish_node(struct r300_emit_state * emit) { - struct r300_fragment_program_code *code = &c->code->code.r300; - struct r300_fragment_program_node *node = &code->node[code->cur_node]; + struct r300_fragment_program_compiler * c = emit->compiler; + struct r300_fragment_program_code *code = &emit->compiler->code->code.r300; - if (node->alu_end < 0) { + if (code->alu.length == emit->node_first_alu) { /* Generate a single NOP for this node */ struct radeon_pair_instruction inst; _mesa_bzero(&inst, sizeof(inst)); - if (!emit_alu(c, &inst)) + if (!emit_alu(emit, &inst)) return GL_FALSE; } - if (node->tex_end < 0) { - if (code->cur_node == 0) { - node->tex_end = 0; - } else { - error("Node %i has no TEX instructions", code->cur_node); + unsigned alu_offset = emit->node_first_alu; + unsigned alu_end = code->alu.length - alu_offset - 1; + unsigned tex_offset = emit->node_first_tex; + unsigned tex_end = code->tex.length - tex_offset - 1; + + if (code->tex.length == emit->node_first_tex) { + if (emit->current_node > 0) { + error("Node %i has no TEX instructions", emit->current_node); return GL_FALSE; } + + tex_end = 0; } else { - if (code->cur_node == 0) - code->first_node_has_tex = 1; + if (emit->current_node == 0) + code->config |= R300_PFS_CNTL_FIRST_NODE_HAS_TEX; } + /* Write the config register. + * Note: The order in which the words for each node are written + * is not correct here and needs to be fixed up once we're entirely + * done + * + * Also note that the register specification from AMD is slightly + * incorrect in its description of this register. */ + code->code_addr[emit->current_node] = + (alu_offset << R300_ALU_START_SHIFT) | + (alu_end << R300_ALU_SIZE_SHIFT) | + (tex_offset << R300_TEX_START_SHIFT) | + (tex_end << R300_TEX_SIZE_SHIFT) | + emit->node_flags; + return GL_TRUE; } @@ -224,25 +252,23 @@ static GLboolean begin_tex(void* data) { PROG_CODE; - if (code->cur_node == 0) { - if (code->node[0].alu_end < 0 && - code->node[0].tex_end < 0) - return GL_TRUE; + if (code->alu.length == emit->node_first_alu && + code->tex.length == emit->node_first_tex) { + return GL_TRUE; } - if (code->cur_node == 3) { + if (emit->current_node == 3) { error("Too many texture indirections"); return GL_FALSE; } - if (!finish_node(c)) + if (!finish_node(emit)) return GL_FALSE; - struct r300_fragment_program_node *node = &code->node[++code->cur_node]; - node->alu_offset = code->alu.length; - node->alu_end = -1; - node->tex_offset = code->tex.length; - node->tex_end = -1; + emit->current_node++; + emit->node_first_tex = code->tex.length; + emit->node_first_alu = code->alu.length; + emit->node_flags = 0; return GL_TRUE; } @@ -279,7 +305,6 @@ static GLboolean emit_tex(void* data, struct radeon_pair_texture_instruction* in use_temporary(code, inst->SrcIndex); - code->node[code->cur_node].tex_end++; code->tex.inst[code->tex.length++] = (inst->SrcIndex << R300_SRC_ADDR_SHIFT) | (dest << R300_DST_ADDR_SHIFT) | @@ -302,16 +327,34 @@ static const struct radeon_pair_handler pair_handler = { */ void r300BuildFragmentProgramHwCode(struct r300_fragment_program_compiler *compiler) { + struct r300_emit_state emit; struct r300_fragment_program_code *code = &compiler->code->code.r300; + memset(&emit, 0, sizeof(emit)); + emit.compiler = compiler; + _mesa_bzero(code, sizeof(struct r300_fragment_program_code)); - code->node[0].alu_end = -1; - code->node[0].tex_end = -1; - radeonPairProgram(compiler, &pair_handler, compiler); + radeonPairProgram(compiler, &pair_handler, &emit); if (compiler->Base.Error) return; - finish_node(compiler); + /* Finish the program */ + finish_node(&emit); + + code->config |= emit.current_node; /* FIRST_NODE_HAS_TEX set by finish_node */ + code->code_offset = + (0 << R300_PFS_CNTL_ALU_OFFSET_SHIFT) | + ((code->alu.length-1) << R300_PFS_CNTL_ALU_END_SHIFT) | + (0 << R300_PFS_CNTL_TEX_OFFSET_SHIFT) | + ((code->tex.length ? code->tex.length-1 : 0) << R300_PFS_CNTL_TEX_END_SHIFT); + + if (emit.current_node < 3) { + int shift = 3 - emit.current_node; + int i; + for(i = 0; i <= emit.current_node; ++i) + code->code_addr[shift + i] = code->code_addr[i]; + for(i = 0; i < shift; ++i) + code->code_addr[i] = 0; + } } - |