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-rw-r--r--src/gallium/auxiliary/util/u_gen_mipmap.c260
1 files changed, 12 insertions, 248 deletions
diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c
index d47c677074..e32ce768c4 100644
--- a/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -43,6 +43,7 @@
#include "util/u_draw_quad.h"
#include "util/u_gen_mipmap.h"
+#include "util/u_simple_shaders.h"
#include "tgsi/util/tgsi_build.h"
#include "tgsi/util/tgsi_dump.h"
@@ -656,252 +657,6 @@ fallback_gen_mipmap(struct gen_mipmap_state *ctx,
/**
- * Make simple fragment shader:
- * TEX OUT[0], IN[0], SAMP[0], 2D;
- * END;
- */
-static void
-make_fragment_shader(struct gen_mipmap_state *ctx)
-{
- struct pipe_context *pipe = ctx->pipe;
- uint maxTokens = 100;
- struct tgsi_token *tokens;
- struct tgsi_header *header;
- struct tgsi_processor *processor;
- struct tgsi_full_declaration decl;
- struct tgsi_full_instruction inst;
- const uint procType = TGSI_PROCESSOR_FRAGMENT;
- uint ti = 0;
- struct pipe_shader_state shader;
-
- tokens = (struct tgsi_token *) malloc(maxTokens * sizeof(tokens[0]));
-
- /* shader header
- */
- *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
-
- header = (struct tgsi_header *) &tokens[1];
- *header = tgsi_build_header();
-
- processor = (struct tgsi_processor *) &tokens[2];
- *processor = tgsi_build_processor( procType, header );
-
- ti = 3;
-
- /* declare TEX[0] input */
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_INPUT;
- decl.Declaration.Semantic = 1;
- decl.Semantic.SemanticName = TGSI_SEMANTIC_GENERIC;
- decl.Semantic.SemanticIndex = 0;
- /* XXX this could be linear... */
- decl.Declaration.Interpolate = 1;
- decl.Interpolation.Interpolate = TGSI_INTERPOLATE_PERSPECTIVE;
- decl.u.DeclarationRange.First =
- decl.u.DeclarationRange.Last = 0;
- ti += tgsi_build_full_declaration(&decl,
- &tokens[ti],
- header,
- maxTokens - ti);
-
- /* declare color[0] output */
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_OUTPUT;
- decl.Declaration.Semantic = 1;
- decl.Semantic.SemanticName = TGSI_SEMANTIC_COLOR;
- decl.Semantic.SemanticIndex = 0;
- decl.u.DeclarationRange.First =
- decl.u.DeclarationRange.Last = 0;
- ti += tgsi_build_full_declaration(&decl,
- &tokens[ti],
- header,
- maxTokens - ti);
-
- /* declare sampler */
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_SAMPLER;
- decl.u.DeclarationRange.First =
- decl.u.DeclarationRange.Last = 0;
- ti += tgsi_build_full_declaration(&decl,
- &tokens[ti],
- header,
- maxTokens - ti);
-
- /* TEX instruction */
- inst = tgsi_default_full_instruction();
- inst.Instruction.Opcode = TGSI_OPCODE_TEX;
- inst.Instruction.NumDstRegs = 1;
- inst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_OUTPUT;
- inst.FullDstRegisters[0].DstRegister.Index = 0;
- inst.Instruction.NumSrcRegs = 2;
- inst.InstructionExtTexture.Texture = TGSI_TEXTURE_2D;
- inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT;
- inst.FullSrcRegisters[0].SrcRegister.Index = 0;
- inst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER;
- inst.FullSrcRegisters[1].SrcRegister.Index = 0;
- ti += tgsi_build_full_instruction(&inst,
- &tokens[ti],
- header,
- maxTokens - ti );
-
- /* END instruction */
- inst = tgsi_default_full_instruction();
- inst.Instruction.Opcode = TGSI_OPCODE_END;
- inst.Instruction.NumDstRegs = 0;
- inst.Instruction.NumSrcRegs = 0;
- ti += tgsi_build_full_instruction(&inst,
- &tokens[ti],
- header,
- maxTokens - ti );
-
-#if 0 /*debug*/
- tgsi_dump(tokens, 0);
-#endif
-
- shader.tokens = tokens;
- ctx->fs = pipe->create_fs_state(pipe, &shader);
-}
-
-
-/**
- * Make simple fragment shader:
- * MOV OUT[0], IN[0];
- * MOV OUT[1], IN[1];
- * END;
- *
- * XXX eliminate this when vertex passthrough-mode is more solid.
- */
-static void
-make_vertex_shader(struct gen_mipmap_state *ctx)
-{
- struct pipe_context *pipe = ctx->pipe;
- uint maxTokens = 100;
- struct tgsi_token *tokens;
- struct tgsi_header *header;
- struct tgsi_processor *processor;
- struct tgsi_full_declaration decl;
- struct tgsi_full_instruction inst;
- const uint procType = TGSI_PROCESSOR_VERTEX;
- uint ti = 0;
- struct pipe_shader_state shader;
-
- tokens = (struct tgsi_token *) malloc(maxTokens * sizeof(tokens[0]));
-
- /* shader header
- */
- *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
-
- header = (struct tgsi_header *) &tokens[1];
- *header = tgsi_build_header();
-
- processor = (struct tgsi_processor *) &tokens[2];
- *processor = tgsi_build_processor( procType, header );
-
- ti = 3;
-
- /* declare POS input */
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_INPUT;
- /*
- decl.Declaration.Semantic = 1;
- decl.Semantic.SemanticName = TGSI_SEMANTIC_POSITION;
- decl.Semantic.SemanticIndex = 0;
- */
- decl.u.DeclarationRange.First =
- decl.u.DeclarationRange.Last = 0;
- ti += tgsi_build_full_declaration(&decl,
- &tokens[ti],
- header,
- maxTokens - ti);
- /* declare TEX[0] input */
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_INPUT;
- /*
- decl.Declaration.Semantic = 1;
- decl.Semantic.SemanticName = TGSI_SEMANTIC_GENERIC;
- decl.Semantic.SemanticIndex = 0;
- */
- decl.u.DeclarationRange.First =
- decl.u.DeclarationRange.Last = 1;
- ti += tgsi_build_full_declaration(&decl,
- &tokens[ti],
- header,
- maxTokens - ti);
-
- /* declare POS output */
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_OUTPUT;
- decl.Declaration.Semantic = 1;
- decl.Semantic.SemanticName = TGSI_SEMANTIC_POSITION;
- decl.Semantic.SemanticIndex = 0;
- decl.u.DeclarationRange.First =
- decl.u.DeclarationRange.Last = 0;
- ti += tgsi_build_full_declaration(&decl,
- &tokens[ti],
- header,
- maxTokens - ti);
-
- /* declare TEX[0] output */
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_OUTPUT;
- decl.Declaration.Semantic = 1;
- decl.Semantic.SemanticName = TGSI_SEMANTIC_GENERIC;
- decl.Semantic.SemanticIndex = 0;
- decl.u.DeclarationRange.First =
- decl.u.DeclarationRange.Last = 1;
- ti += tgsi_build_full_declaration(&decl,
- &tokens[ti],
- header,
- maxTokens - ti);
-
- /* MOVE out[0], in[0]; # POS */
- inst = tgsi_default_full_instruction();
- inst.Instruction.Opcode = TGSI_OPCODE_MOV;
- inst.Instruction.NumDstRegs = 1;
- inst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_OUTPUT;
- inst.FullDstRegisters[0].DstRegister.Index = 0;
- inst.Instruction.NumSrcRegs = 1;
- inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT;
- inst.FullSrcRegisters[0].SrcRegister.Index = 0;
- ti += tgsi_build_full_instruction(&inst,
- &tokens[ti],
- header,
- maxTokens - ti );
-
- /* MOVE out[1], in[1]; # TEX */
- inst = tgsi_default_full_instruction();
- inst.Instruction.Opcode = TGSI_OPCODE_MOV;
- inst.Instruction.NumDstRegs = 1;
- inst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_OUTPUT;
- inst.FullDstRegisters[0].DstRegister.Index = 1;
- inst.Instruction.NumSrcRegs = 1;
- inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT;
- inst.FullSrcRegisters[0].SrcRegister.Index = 1;
- ti += tgsi_build_full_instruction(&inst,
- &tokens[ti],
- header,
- maxTokens - ti );
-
- /* END instruction */
- inst = tgsi_default_full_instruction();
- inst.Instruction.Opcode = TGSI_OPCODE_END;
- inst.Instruction.NumDstRegs = 0;
- inst.Instruction.NumSrcRegs = 0;
- ti += tgsi_build_full_instruction(&inst,
- &tokens[ti],
- header,
- maxTokens - ti );
-
-#if 0 /*debug*/
- tgsi_dump(tokens, 0);
-#endif
-
- shader.tokens = tokens;
- ctx->vs = pipe->create_vs_state(pipe, &shader);
-}
-
-
-/**
* Create a mipmap generation context.
* The idea is to create one of these and re-use it each time we need to
* generate a mipmap.
@@ -953,8 +708,17 @@ util_create_gen_mipmap(struct pipe_context *pipe)
ctx->viewport.translate[3] = 0.0;
#endif
- make_vertex_shader(ctx);
- make_fragment_shader(ctx);
+ /* vertex shader */
+ {
+ const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
+ TGSI_SEMANTIC_GENERIC };
+ const uint semantic_indexes[] = { 0, 0 };
+ ctx->vs = util_make_vertex_passthrough_shader(pipe, 2, semantic_names,
+ semantic_indexes);
+ }
+
+ /* fragment shader */
+ ctx->fs = util_make_fragment_tex_shader(pipe);
return ctx;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 07:41:34 +0000