X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_atom_pixeltransfer.c;h=a56ff10954cb10bd99271eb9a650063302627df2;hb=53bc28920a8524d7bc795c3ce6398dc34a8e2152;hp=e8e67f80305d57245a884809eebcb6cc6ca8940c;hpb=ccd13da0fc1f1813b55fc0d2181a6cb0d3b42b0d;p=mesa.git diff --git a/src/mesa/state_tracker/st_atom_pixeltransfer.c b/src/mesa/state_tracker/st_atom_pixeltransfer.c index e8e67f80305..a56ff10954c 100644 --- a/src/mesa/state_tracker/st_atom_pixeltransfer.c +++ b/src/mesa/state_tracker/st_atom_pixeltransfer.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright 2007 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -18,126 +18,32 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ -/* - * Generate fragment programs to implement pixel transfer ops, such as - * scale/bias, colormatrix, colortable, convolution... - * - * Authors: +/* Authors: * Brian Paul */ -#include "main/imports.h" -#include "main/image.h" -#include "main/macros.h" -#include "shader/program.h" -#include "shader/prog_instruction.h" -#include "shader/prog_parameter.h" -#include "shader/prog_print.h" - #include "st_context.h" -#include "st_format.h" #include "st_texture.h" -#include "st_inlines.h" -#include "pipe/p_screen.h" -#include "pipe/p_context.h" +#include "util/u_inlines.h" #include "util/u_pack_color.h" -struct state_key -{ - GLuint scaleAndBias:1; - GLuint colorMatrix:1; - GLuint colorMatrixPostScaleBias:1; - GLuint pixelMaps:1; - -#if 0 - GLfloat Maps[3][256][4]; - int NumMaps; - GLint NumStages; - pipeline_stage Stages[STAGE_MAX]; - GLboolean StagesUsed[STAGE_MAX]; - GLfloat Scale1[4], Bias1[4]; - GLfloat Scale2[4], Bias2[4]; -#endif -}; - - -static GLboolean -is_identity(const GLfloat m[16]) -{ - GLuint i; - for (i = 0; i < 16; i++) { - const int row = i % 4, col = i / 4; - const float val = (GLfloat)(row == col); - if (m[i] != val) - return GL_FALSE; - } - return GL_TRUE; -} - - -static void -make_state_key(GLcontext *ctx, struct state_key *key) -{ - static const GLfloat zero[4] = { 0.0f, 0.0f, 0.0f, 0.0f }; - static const GLfloat one[4] = { 1.0f, 1.0f, 1.0f, 1.0f }; - - memset(key, 0, sizeof(*key)); - - if (ctx->Pixel.RedBias != 0.0 || ctx->Pixel.RedScale != 1.0 || - ctx->Pixel.GreenBias != 0.0 || ctx->Pixel.GreenScale != 1.0 || - ctx->Pixel.BlueBias != 0.0 || ctx->Pixel.BlueScale != 1.0 || - ctx->Pixel.AlphaBias != 0.0 || ctx->Pixel.AlphaScale != 1.0) { - key->scaleAndBias = 1; - } - - if (!is_identity(ctx->ColorMatrixStack.Top->m)) { - key->colorMatrix = 1; - } - - if (!TEST_EQ_4V(ctx->Pixel.PostColorMatrixScale, one) || - !TEST_EQ_4V(ctx->Pixel.PostColorMatrixBias, zero)) { - key->colorMatrixPostScaleBias = 1; - } - - key->pixelMaps = ctx->Pixel.MapColorFlag; -} - - -static struct pipe_resource * -create_color_map_texture(GLcontext *ctx) -{ - struct pipe_context *pipe = ctx->st->pipe; - struct pipe_resource *pt; - enum pipe_format format; - const uint texSize = 256; /* simple, and usually perfect */ - - /* find an RGBA texture format */ - format = st_choose_format(pipe->screen, GL_RGBA, - PIPE_TEXTURE_2D, PIPE_BIND_SAMPLER_VIEW); - - /* create texture for color map/table */ - pt = st_texture_create(ctx->st, PIPE_TEXTURE_2D, format, 0, - texSize, texSize, 1, PIPE_BIND_SAMPLER_VIEW); - return pt; -} - - /** * Update the pixelmap texture with the contents of the R/G/B/A pixel maps. */ static void -load_color_map_texture(GLcontext *ctx, struct pipe_resource *pt) +load_color_map_texture(struct gl_context *ctx, struct pipe_resource *pt) { - struct pipe_context *pipe = ctx->st->pipe; + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; struct pipe_transfer *transfer; const GLuint rSize = ctx->PixelMaps.RtoR.Size; const GLuint gSize = ctx->PixelMaps.GtoG.Size; @@ -147,10 +53,9 @@ load_color_map_texture(GLcontext *ctx, struct pipe_resource *pt) uint *dest; uint i, j; - transfer = st_cond_flush_get_tex_transfer(st_context(ctx), - pt, 0, 0, 0, PIPE_TRANSFER_WRITE, - 0, 0, texSize, texSize); - dest = (uint *) pipe_transfer_map(pipe, transfer); + dest = (uint *) pipe_transfer_map(pipe, + pt, 0, 0, PIPE_TRANSFER_WRITE, + 0, 0, texSize, texSize, &transfer); /* Pack four 1D maps into a 2D texture: * R map is placed horizontally, indexed by S, in channel 0 @@ -162,314 +67,43 @@ load_color_map_texture(GLcontext *ctx, struct pipe_resource *pt) for (j = 0; j < texSize; j++) { union util_color uc; int k = (i * texSize + j); - ubyte r = ctx->PixelMaps.RtoR.Map8[j * rSize / texSize]; - ubyte g = ctx->PixelMaps.GtoG.Map8[i * gSize / texSize]; - ubyte b = ctx->PixelMaps.BtoB.Map8[j * bSize / texSize]; - ubyte a = ctx->PixelMaps.AtoA.Map8[i * aSize / texSize]; - util_pack_color_ub(r, g, b, a, pt->format, &uc); - *(dest + k) = uc.ui; + float rgba[4]; + rgba[0] = ctx->PixelMaps.RtoR.Map[j * rSize / texSize]; + rgba[1] = ctx->PixelMaps.GtoG.Map[i * gSize / texSize]; + rgba[2] = ctx->PixelMaps.BtoB.Map[j * bSize / texSize]; + rgba[3] = ctx->PixelMaps.AtoA.Map[i * aSize / texSize]; + util_pack_color(rgba, pt->format, &uc); + *(dest + k) = uc.ui[0]; } } pipe_transfer_unmap(pipe, transfer); - pipe->transfer_destroy(pipe, transfer); -} - - - -#define MAX_INST 100 - -/** - * Returns a fragment program which implements the current pixel transfer ops. - */ -static struct gl_fragment_program * -get_pixel_transfer_program(GLcontext *ctx, const struct state_key *key) -{ - struct st_context *st = ctx->st; - struct prog_instruction inst[MAX_INST]; - struct gl_program_parameter_list *params; - struct gl_fragment_program *fp; - GLuint ic = 0; - const GLuint colorTemp = 0; - - fp = (struct gl_fragment_program *) - ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0); - if (!fp) - return NULL; - - params = _mesa_new_parameter_list(); - - /* - * Get initial pixel color from the texture. - * TEX colorTemp, fragment.texcoord[0], texture[0], 2D; - */ - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_TEX; - inst[ic].DstReg.File = PROGRAM_TEMPORARY; - inst[ic].DstReg.Index = colorTemp; - inst[ic].SrcReg[0].File = PROGRAM_INPUT; - inst[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0; - inst[ic].TexSrcUnit = 0; - inst[ic].TexSrcTarget = TEXTURE_2D_INDEX; - ic++; - fp->Base.InputsRead = (1 << FRAG_ATTRIB_TEX0); - fp->Base.OutputsWritten = (1 << FRAG_RESULT_COLOR); - fp->Base.SamplersUsed = 0x1; /* sampler 0 (bit 0) is used */ - - if (key->scaleAndBias) { - static const gl_state_index scale_state[STATE_LENGTH] = - { STATE_INTERNAL, STATE_PT_SCALE, 0, 0, 0 }; - static const gl_state_index bias_state[STATE_LENGTH] = - { STATE_INTERNAL, STATE_PT_BIAS, 0, 0, 0 }; - GLfloat scale[4], bias[4]; - GLint scale_p, bias_p; - - scale[0] = ctx->Pixel.RedScale; - scale[1] = ctx->Pixel.GreenScale; - scale[2] = ctx->Pixel.BlueScale; - scale[3] = ctx->Pixel.AlphaScale; - bias[0] = ctx->Pixel.RedBias; - bias[1] = ctx->Pixel.GreenBias; - bias[2] = ctx->Pixel.BlueBias; - bias[3] = ctx->Pixel.AlphaBias; - - scale_p = _mesa_add_state_reference(params, scale_state); - bias_p = _mesa_add_state_reference(params, bias_state); - - /* MAD colorTemp, colorTemp, scale, bias; */ - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_MAD; - inst[ic].DstReg.File = PROGRAM_TEMPORARY; - inst[ic].DstReg.Index = colorTemp; - inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; - inst[ic].SrcReg[0].Index = colorTemp; - inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR; - inst[ic].SrcReg[1].Index = scale_p; - inst[ic].SrcReg[2].File = PROGRAM_STATE_VAR; - inst[ic].SrcReg[2].Index = bias_p; - ic++; - } - - if (key->pixelMaps) { - const GLuint temp = 1; - - /* create the colormap/texture now if not already done */ - if (!st->pixel_xfer.pixelmap_texture) { - st->pixel_xfer.pixelmap_texture = create_color_map_texture(ctx); - st->pixel_xfer.pixelmap_sampler_view = st_create_texture_sampler_view(ctx->st->pipe, - st->pixel_xfer.pixelmap_texture); - } - - /* with a little effort, we can do four pixel map look-ups with - * two TEX instructions: - */ - - /* TEX temp.rg, colorTemp.rgba, texture[1], 2D; */ - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_TEX; - inst[ic].DstReg.File = PROGRAM_TEMPORARY; - inst[ic].DstReg.Index = temp; - inst[ic].DstReg.WriteMask = WRITEMASK_XY; /* write R,G */ - inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; - inst[ic].SrcReg[0].Index = colorTemp; - inst[ic].TexSrcUnit = 1; - inst[ic].TexSrcTarget = TEXTURE_2D_INDEX; - ic++; - - /* TEX temp.ba, colorTemp.baba, texture[1], 2D; */ - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_TEX; - inst[ic].DstReg.File = PROGRAM_TEMPORARY; - inst[ic].DstReg.Index = temp; - inst[ic].DstReg.WriteMask = WRITEMASK_ZW; /* write B,A */ - inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; - inst[ic].SrcReg[0].Index = colorTemp; - inst[ic].SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_W, - SWIZZLE_Z, SWIZZLE_W); - inst[ic].TexSrcUnit = 1; - inst[ic].TexSrcTarget = TEXTURE_2D_INDEX; - ic++; - - /* MOV colorTemp, temp; */ - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_MOV; - inst[ic].DstReg.File = PROGRAM_TEMPORARY; - inst[ic].DstReg.Index = colorTemp; - inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; - inst[ic].SrcReg[0].Index = temp; - ic++; - - fp->Base.SamplersUsed |= (1 << 1); /* sampler 1 is used */ - } - - if (key->colorMatrix) { - static const gl_state_index row0_state[STATE_LENGTH] = - { STATE_COLOR_MATRIX, 0, 0, 0, 0 }; - static const gl_state_index row1_state[STATE_LENGTH] = - { STATE_COLOR_MATRIX, 0, 1, 1, 0 }; - static const gl_state_index row2_state[STATE_LENGTH] = - { STATE_COLOR_MATRIX, 0, 2, 2, 0 }; - static const gl_state_index row3_state[STATE_LENGTH] = - { STATE_COLOR_MATRIX, 0, 3, 3, 0 }; - - GLint row0_p = _mesa_add_state_reference(params, row0_state); - GLint row1_p = _mesa_add_state_reference(params, row1_state); - GLint row2_p = _mesa_add_state_reference(params, row2_state); - GLint row3_p = _mesa_add_state_reference(params, row3_state); - const GLuint temp = 1; - - /* DP4 temp.x, colorTemp, matrow0; */ - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_DP4; - inst[ic].DstReg.File = PROGRAM_TEMPORARY; - inst[ic].DstReg.Index = temp; - inst[ic].DstReg.WriteMask = WRITEMASK_X; - inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; - inst[ic].SrcReg[0].Index = colorTemp; - inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR; - inst[ic].SrcReg[1].Index = row0_p; - ic++; - - /* DP4 temp.y, colorTemp, matrow1; */ - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_DP4; - inst[ic].DstReg.File = PROGRAM_TEMPORARY; - inst[ic].DstReg.Index = temp; - inst[ic].DstReg.WriteMask = WRITEMASK_Y; - inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; - inst[ic].SrcReg[0].Index = colorTemp; - inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR; - inst[ic].SrcReg[1].Index = row1_p; - ic++; - - /* DP4 temp.z, colorTemp, matrow2; */ - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_DP4; - inst[ic].DstReg.File = PROGRAM_TEMPORARY; - inst[ic].DstReg.Index = temp; - inst[ic].DstReg.WriteMask = WRITEMASK_Z; - inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; - inst[ic].SrcReg[0].Index = colorTemp; - inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR; - inst[ic].SrcReg[1].Index = row2_p; - ic++; - - /* DP4 temp.w, colorTemp, matrow3; */ - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_DP4; - inst[ic].DstReg.File = PROGRAM_TEMPORARY; - inst[ic].DstReg.Index = temp; - inst[ic].DstReg.WriteMask = WRITEMASK_W; - inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; - inst[ic].SrcReg[0].Index = colorTemp; - inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR; - inst[ic].SrcReg[1].Index = row3_p; - ic++; - - /* MOV colorTemp, temp; */ - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_MOV; - inst[ic].DstReg.File = PROGRAM_TEMPORARY; - inst[ic].DstReg.Index = colorTemp; - inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; - inst[ic].SrcReg[0].Index = temp; - ic++; - } - - if (key->colorMatrixPostScaleBias) { - static const gl_state_index scale_state[STATE_LENGTH] = - { STATE_INTERNAL, STATE_PT_SCALE, 0, 0, 0 }; - static const gl_state_index bias_state[STATE_LENGTH] = - { STATE_INTERNAL, STATE_PT_BIAS, 0, 0, 0 }; - GLint scale_param, bias_param; - - scale_param = _mesa_add_state_reference(params, scale_state); - bias_param = _mesa_add_state_reference(params, bias_state); - - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_MAD; - inst[ic].DstReg.File = PROGRAM_TEMPORARY; - inst[ic].DstReg.Index = colorTemp; - inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; - inst[ic].SrcReg[0].Index = colorTemp; - inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR; - inst[ic].SrcReg[1].Index = scale_param; - inst[ic].SrcReg[2].File = PROGRAM_STATE_VAR; - inst[ic].SrcReg[2].Index = bias_param; - ic++; - } - - /* Modify last instruction's dst reg to write to result.color */ - { - struct prog_instruction *last = &inst[ic - 1]; - last->DstReg.File = PROGRAM_OUTPUT; - last->DstReg.Index = FRAG_RESULT_COLOR; - } - - /* END; */ - _mesa_init_instructions(inst + ic, 1); - inst[ic].Opcode = OPCODE_END; - ic++; - - assert(ic <= MAX_INST); - - - fp->Base.Instructions = _mesa_alloc_instructions(ic); - if (!fp->Base.Instructions) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, - "generating pixel transfer program"); - return NULL; - } - - _mesa_copy_instructions(fp->Base.Instructions, inst, ic); - fp->Base.NumInstructions = ic; - fp->Base.Parameters = params; - -#if 0 - printf("========= pixel transfer prog\n"); - _mesa_print_program(&fp->Base); - _mesa_print_parameter_list(fp->Base.Parameters); -#endif - - return fp; } - - /** - * Update st->pixel_xfer.program in response to new pixel-transfer state. + * Upload the pixel transfer color map texture. */ static void update_pixel_transfer(struct st_context *st) { - GLcontext *ctx = st->ctx; - struct state_key key; - struct gl_fragment_program *fp; - - make_state_key(st->ctx, &key); - - fp = (struct gl_fragment_program *) - _mesa_search_program_cache(st->pixel_xfer.cache, &key, sizeof(key)); - if (!fp) { - fp = get_pixel_transfer_program(st->ctx, &key); - _mesa_program_cache_insert(st->ctx, st->pixel_xfer.cache, - &key, sizeof(key), &fp->Base); - } + struct gl_context *ctx = st->ctx; if (ctx->Pixel.MapColorFlag) { + /* create the colormap/texture now if not already done */ + if (!st->pixel_xfer.pixelmap_texture) { + st->pixel_xfer.pixelmap_texture = st_create_color_map_texture(ctx); + st->pixel_xfer.pixelmap_sampler_view = + st_create_texture_sampler_view(st->pipe, + st->pixel_xfer.pixelmap_texture); + } load_color_map_texture(ctx, st->pixel_xfer.pixelmap_texture); } - st->pixel_xfer.pixelmap_enabled = ctx->Pixel.MapColorFlag; - - st->pixel_xfer.program = (struct st_fragment_program *) fp; } - const struct st_tracked_state st_update_pixel_transfer = { - "st_update_pixel_transfer", /* name */ { /* dirty */ - _NEW_PIXEL | _NEW_COLOR_MATRIX, /* mesa */ + _NEW_PIXEL, /* mesa */ 0, /* st */ }, update_pixel_transfer /* update */