From f6f0e117a45a64464e49290ebc9f75b9a976070a Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Wed, 15 Jul 2009 09:35:09 +1000 Subject: intel/radeon: add common metaops code. Move all the metaops to a dri_metaops file and port radeon/intel to use the new common meta ops code. --- src/mesa/drivers/dri/common/dri_metaops.c | 541 ++++++++++++++++++++++++++++++ 1 file changed, 541 insertions(+) create mode 100644 src/mesa/drivers/dri/common/dri_metaops.c (limited to 'src/mesa/drivers/dri/common/dri_metaops.c') diff --git a/src/mesa/drivers/dri/common/dri_metaops.c b/src/mesa/drivers/dri/common/dri_metaops.c new file mode 100644 index 0000000000..fe183c2e87 --- /dev/null +++ b/src/mesa/drivers/dri/common/dri_metaops.c @@ -0,0 +1,541 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright 2009 Intel Corporation. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * 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 + * 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. + * + **************************************************************************/ + +#include "main/arrayobj.h" +#include "main/attrib.h" +#include "main/blend.h" +#include "main/bufferobj.h" +#include "main/buffers.h" +#include "main/depth.h" +#include "main/enable.h" +#include "main/matrix.h" +#include "main/macros.h" +#include "main/polygon.h" +#include "main/shaders.h" +#include "main/stencil.h" +#include "main/texstate.h" +#include "main/varray.h" +#include "main/viewport.h" +#include "shader/arbprogram.h" +#include "shader/program.h" +#include "dri_metaops.h" + +void +meta_set_passthrough_transform(struct dri_metaops *meta) +{ + GLcontext *ctx = meta->ctx; + + meta->saved_vp_x = ctx->Viewport.X; + meta->saved_vp_y = ctx->Viewport.Y; + meta->saved_vp_width = ctx->Viewport.Width; + meta->saved_vp_height = ctx->Viewport.Height; + meta->saved_matrix_mode = ctx->Transform.MatrixMode; + + meta->internal_viewport_call = GL_TRUE; + _mesa_Viewport(0, 0, ctx->DrawBuffer->Width, ctx->DrawBuffer->Height); + meta->internal_viewport_call = GL_FALSE; + + _mesa_MatrixMode(GL_PROJECTION); + _mesa_PushMatrix(); + _mesa_LoadIdentity(); + _mesa_Ortho(0, ctx->DrawBuffer->Width, 0, ctx->DrawBuffer->Height, 1, -1); + + _mesa_MatrixMode(GL_MODELVIEW); + _mesa_PushMatrix(); + _mesa_LoadIdentity(); +} + +void +meta_restore_transform(struct dri_metaops *meta) +{ + _mesa_MatrixMode(GL_PROJECTION); + _mesa_PopMatrix(); + _mesa_MatrixMode(GL_MODELVIEW); + _mesa_PopMatrix(); + + _mesa_MatrixMode(meta->saved_matrix_mode); + + meta->internal_viewport_call = GL_TRUE; + _mesa_Viewport(meta->saved_vp_x, meta->saved_vp_y, + meta->saved_vp_width, meta->saved_vp_height); + meta->internal_viewport_call = GL_FALSE; +} + + +/** + * Set up a vertex program to pass through the position and first texcoord + * for pixel path. + */ +void +meta_set_passthrough_vertex_program(struct dri_metaops *meta) +{ + GLcontext *ctx = meta->ctx; + static const char *vp = + "!!ARBvp1.0\n" + "TEMP vertexClip;\n" + "DP4 vertexClip.x, state.matrix.mvp.row[0], vertex.position;\n" + "DP4 vertexClip.y, state.matrix.mvp.row[1], vertex.position;\n" + "DP4 vertexClip.z, state.matrix.mvp.row[2], vertex.position;\n" + "DP4 vertexClip.w, state.matrix.mvp.row[3], vertex.position;\n" + "MOV result.position, vertexClip;\n" + "MOV result.texcoord[0], vertex.texcoord[0];\n" + "MOV result.color, vertex.color;\n" + "END\n"; + + assert(meta->saved_vp == NULL); + + _mesa_reference_vertprog(ctx, &meta->saved_vp, + ctx->VertexProgram.Current); + if (meta->passthrough_vp == NULL) { + GLuint prog_name; + _mesa_GenPrograms(1, &prog_name); + _mesa_BindProgram(GL_VERTEX_PROGRAM_ARB, prog_name); + _mesa_ProgramStringARB(GL_VERTEX_PROGRAM_ARB, + GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(vp), (const GLubyte *)vp); + _mesa_reference_vertprog(ctx, &meta->passthrough_vp, + ctx->VertexProgram.Current); + _mesa_DeletePrograms(1, &prog_name); + } + + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, + meta->passthrough_vp); + ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB, + &meta->passthrough_vp->Base); + + meta->saved_vp_enable = ctx->VertexProgram.Enabled; + _mesa_Enable(GL_VERTEX_PROGRAM_ARB); +} + +/** + * Restores the previous vertex program after + * meta_set_passthrough_vertex_program() + */ +void +meta_restore_vertex_program(struct dri_metaops *meta) +{ + GLcontext *ctx = meta->ctx; + + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, + meta->saved_vp); + _mesa_reference_vertprog(ctx, &meta->saved_vp, NULL); + ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB, + &ctx->VertexProgram.Current->Base); + + if (!meta->saved_vp_enable) + _mesa_Disable(GL_VERTEX_PROGRAM_ARB); +} + +/** + * Binds the given program string to GL_FRAGMENT_PROGRAM_ARB, caching the + * program object. + */ +void +meta_set_fragment_program(struct dri_metaops *meta, + struct gl_fragment_program **prog, + const char *prog_string) +{ + GLcontext *ctx = meta->ctx; + assert(meta->saved_fp == NULL); + + _mesa_reference_fragprog(ctx, &meta->saved_fp, + ctx->FragmentProgram.Current); + if (*prog == NULL) { + GLuint prog_name; + _mesa_GenPrograms(1, &prog_name); + _mesa_BindProgram(GL_FRAGMENT_PROGRAM_ARB, prog_name); + _mesa_ProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, + GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(prog_string), (const GLubyte *)prog_string); + _mesa_reference_fragprog(ctx, prog, ctx->FragmentProgram.Current); + /* Note that DeletePrograms unbinds the program on us */ + _mesa_DeletePrograms(1, &prog_name); + } + + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, *prog); + ctx->Driver.BindProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, &((*prog)->Base)); + + meta->saved_fp_enable = ctx->FragmentProgram.Enabled; + _mesa_Enable(GL_FRAGMENT_PROGRAM_ARB); +} + +/** + * Restores the previous fragment program after + * meta_set_fragment_program() + */ +void +meta_restore_fragment_program(struct dri_metaops *meta) +{ + GLcontext *ctx = meta->ctx; + + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, + meta->saved_fp); + _mesa_reference_fragprog(ctx, &meta->saved_fp, NULL); + ctx->Driver.BindProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, + &ctx->FragmentProgram.Current->Base); + + if (!meta->saved_fp_enable) + _mesa_Disable(GL_FRAGMENT_PROGRAM_ARB); +} + +static const float default_texcoords[4][2] = { { 0.0, 0.0 }, + { 1.0, 0.0 }, + { 1.0, 1.0 }, + { 0.0, 1.0 } }; + +void +meta_set_default_texrect(struct dri_metaops *meta) +{ + GLcontext *ctx = meta->ctx; + struct gl_client_array *old_texcoord_array; + + meta->saved_active_texture = ctx->Texture.CurrentUnit; + if (meta->saved_array_vbo == NULL) { + _mesa_reference_buffer_object(ctx, &meta->saved_array_vbo, + ctx->Array.ArrayBufferObj); + } + + old_texcoord_array = &ctx->Array.ArrayObj->TexCoord[0]; + meta->saved_texcoord_type = old_texcoord_array->Type; + meta->saved_texcoord_size = old_texcoord_array->Size; + meta->saved_texcoord_stride = old_texcoord_array->Stride; + meta->saved_texcoord_enable = old_texcoord_array->Enabled; + meta->saved_texcoord_ptr = old_texcoord_array->Ptr; + _mesa_reference_buffer_object(ctx, &meta->saved_texcoord_vbo, + old_texcoord_array->BufferObj); + + _mesa_ClientActiveTextureARB(GL_TEXTURE0); + + if (meta->texcoord_vbo == NULL) { + GLuint vbo_name; + + _mesa_GenBuffersARB(1, &vbo_name); + _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, vbo_name); + _mesa_BufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(default_texcoords), + default_texcoords, GL_STATIC_DRAW_ARB); + _mesa_reference_buffer_object(ctx, &meta->texcoord_vbo, + ctx->Array.ArrayBufferObj); + } else { + _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, + meta->texcoord_vbo->Name); + } + _mesa_TexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), NULL); + + _mesa_Enable(GL_TEXTURE_COORD_ARRAY); +} + +void +meta_restore_texcoords(struct dri_metaops *meta) +{ + GLcontext *ctx = meta->ctx; + + /* Restore the old TexCoordPointer */ + if (meta->saved_texcoord_vbo) { + _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, + meta->saved_texcoord_vbo->Name); + _mesa_reference_buffer_object(ctx, &meta->saved_texcoord_vbo, NULL); + } else { + _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0); + } + + _mesa_TexCoordPointer(meta->saved_texcoord_size, + meta->saved_texcoord_type, + meta->saved_texcoord_stride, + meta->saved_texcoord_ptr); + if (!meta->saved_texcoord_enable) + _mesa_Disable(GL_TEXTURE_COORD_ARRAY); + + _mesa_ClientActiveTextureARB(GL_TEXTURE0 + + meta->saved_active_texture); + + if (meta->saved_array_vbo) { + _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, + meta->saved_array_vbo->Name); + _mesa_reference_buffer_object(ctx, &meta->saved_array_vbo, NULL); + } else { + _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0); + } +} + + +/** + * Perform glClear where mask contains only color, depth, and/or stencil. + * + * The implementation is based on calling into Mesa to set GL state and + * performing normal triangle rendering. The intent of this path is to + * have as generic a path as possible, so that any driver could make use of + * it. + */ + +/** + * Per-context one-time init of things for intl_clear_tris(). + * Basically set up a private array object for vertex/color arrays. + */ +static void +meta_init_clear(struct dri_metaops *meta) +{ + GLcontext *ctx = meta->ctx; + struct gl_array_object *arraySave = NULL; + const GLuint arrayBuffer = ctx->Array.ArrayBufferObj->Name; + const GLuint elementBuffer = ctx->Array.ElementArrayBufferObj->Name; + + /* create new array object */ + meta->clear.arrayObj = _mesa_new_array_object(ctx, ~0); + + /* save current array object, bind new one */ + _mesa_reference_array_object(ctx, &arraySave, ctx->Array.ArrayObj); + ctx->NewState |= _NEW_ARRAY; + ctx->Array.NewState |= _NEW_ARRAY_ALL; + _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, meta->clear.arrayObj); + + /* one-time setup of vertex arrays (pos, color) */ + _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0); + _mesa_BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0); + _mesa_ColorPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), meta->clear.color); + _mesa_VertexPointer(3, GL_FLOAT, 3 * sizeof(GLfloat), meta->clear.vertices); + _mesa_Enable(GL_COLOR_ARRAY); + _mesa_Enable(GL_VERTEX_ARRAY); + + /* restore original array object */ + ctx->NewState |= _NEW_ARRAY; + ctx->Array.NewState |= _NEW_ARRAY_ALL; + _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, arraySave); + _mesa_reference_array_object(ctx, &arraySave, NULL); + + /* restore original buffer objects */ + _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, arrayBuffer); + _mesa_BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, elementBuffer); +} + + + +/** + * Perform glClear where mask contains only color, depth, and/or stencil. + * + * The implementation is based on calling into Mesa to set GL state and + * performing normal triangle rendering. The intent of this path is to + * have as generic a path as possible, so that any driver could make use of + * it. + */ +void +meta_clear_tris(struct dri_metaops *meta, GLbitfield mask) +{ + GLcontext *ctx = meta->ctx; + GLfloat dst_z; + struct gl_framebuffer *fb = ctx->DrawBuffer; + int i; + GLboolean saved_fp_enable = GL_FALSE, saved_vp_enable = GL_FALSE; + GLuint saved_shader_program = 0; + unsigned int saved_active_texture; + struct gl_array_object *arraySave = NULL; + + if (!meta->clear.arrayObj) + meta_init_clear(meta); + + assert((mask & ~(TRI_CLEAR_COLOR_BITS | BUFFER_BIT_DEPTH | + BUFFER_BIT_STENCIL)) == 0); + + _mesa_PushAttrib(GL_COLOR_BUFFER_BIT | + GL_DEPTH_BUFFER_BIT | + GL_ENABLE_BIT | + GL_POLYGON_BIT | + GL_STENCIL_BUFFER_BIT | + GL_TRANSFORM_BIT | + GL_CURRENT_BIT | + GL_VIEWPORT_BIT); + saved_active_texture = ctx->Texture.CurrentUnit; + + /* Disable existing GL state we don't want to apply to a clear. */ + _mesa_Disable(GL_ALPHA_TEST); + _mesa_Disable(GL_BLEND); + _mesa_Disable(GL_CULL_FACE); + _mesa_Disable(GL_FOG); + _mesa_Disable(GL_POLYGON_SMOOTH); + _mesa_Disable(GL_POLYGON_STIPPLE); + _mesa_Disable(GL_POLYGON_OFFSET_FILL); + _mesa_Disable(GL_LIGHTING); + _mesa_Disable(GL_CLIP_PLANE0); + _mesa_Disable(GL_CLIP_PLANE1); + _mesa_Disable(GL_CLIP_PLANE2); + _mesa_Disable(GL_CLIP_PLANE3); + _mesa_Disable(GL_CLIP_PLANE4); + _mesa_Disable(GL_CLIP_PLANE5); + _mesa_PolygonMode(GL_FRONT_AND_BACK, GL_FILL); + if (ctx->Extensions.ARB_fragment_program && ctx->FragmentProgram.Enabled) { + saved_fp_enable = GL_TRUE; + _mesa_Disable(GL_FRAGMENT_PROGRAM_ARB); + } + if (ctx->Extensions.ARB_vertex_program && ctx->VertexProgram.Enabled) { + saved_vp_enable = GL_TRUE; + _mesa_Disable(GL_VERTEX_PROGRAM_ARB); + } + if (ctx->Extensions.ARB_shader_objects && ctx->Shader.CurrentProgram) { + saved_shader_program = ctx->Shader.CurrentProgram->Name; + _mesa_UseProgramObjectARB(0); + } + + if (ctx->Texture._EnabledUnits != 0) { + int i; + + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { + _mesa_ActiveTextureARB(GL_TEXTURE0 + i); + _mesa_Disable(GL_TEXTURE_1D); + _mesa_Disable(GL_TEXTURE_2D); + _mesa_Disable(GL_TEXTURE_3D); + if (ctx->Extensions.ARB_texture_cube_map) + _mesa_Disable(GL_TEXTURE_CUBE_MAP_ARB); + if (ctx->Extensions.NV_texture_rectangle) + _mesa_Disable(GL_TEXTURE_RECTANGLE_NV); + if (ctx->Extensions.MESA_texture_array) { + _mesa_Disable(GL_TEXTURE_1D_ARRAY_EXT); + _mesa_Disable(GL_TEXTURE_2D_ARRAY_EXT); + } + } + } + + /* save current array object, bind our private one */ + _mesa_reference_array_object(ctx, &arraySave, ctx->Array.ArrayObj); + ctx->NewState |= _NEW_ARRAY; + ctx->Array.NewState |= _NEW_ARRAY_ALL; + _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, meta->clear.arrayObj); + + meta_set_passthrough_transform(meta); + + for (i = 0; i < 4; i++) { + COPY_4FV(meta->clear.color[i], ctx->Color.ClearColor); + } + + /* convert clear Z from [0,1] to NDC coord in [-1,1] */ + dst_z = -1.0 + 2.0 * ctx->Depth.Clear; + + /* The ClearDepth value is unaffected by DepthRange, so do a default + * mapping. + */ + _mesa_DepthRange(0.0, 1.0); + + /* Prepare the vertices, which are the same regardless of which buffer we're + * drawing to. + */ + meta->clear.vertices[0][0] = fb->_Xmin; + meta->clear.vertices[0][1] = fb->_Ymin; + meta->clear.vertices[0][2] = dst_z; + meta->clear.vertices[1][0] = fb->_Xmax; + meta->clear.vertices[1][1] = fb->_Ymin; + meta->clear.vertices[1][2] = dst_z; + meta->clear.vertices[2][0] = fb->_Xmax; + meta->clear.vertices[2][1] = fb->_Ymax; + meta->clear.vertices[2][2] = dst_z; + meta->clear.vertices[3][0] = fb->_Xmin; + meta->clear.vertices[3][1] = fb->_Ymax; + meta->clear.vertices[3][2] = dst_z; + + while (mask != 0) { + GLuint this_mask = 0; + GLuint color_bit; + + color_bit = _mesa_ffs(mask & TRI_CLEAR_COLOR_BITS); + if (color_bit != 0) + this_mask |= (1 << (color_bit - 1)); + + /* Clear depth/stencil in the same pass as color. */ + this_mask |= (mask & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)); + + /* Select the current color buffer and use the color write mask if + * we have one, otherwise don't write any color channels. + */ + if (this_mask & BUFFER_BIT_FRONT_LEFT) + _mesa_DrawBuffer(GL_FRONT_LEFT); + else if (this_mask & BUFFER_BIT_BACK_LEFT) + _mesa_DrawBuffer(GL_BACK_LEFT); + else if (color_bit != 0) + _mesa_DrawBuffer(GL_COLOR_ATTACHMENT0 + + (color_bit - BUFFER_COLOR0 - 1)); + else + _mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); + + /* Control writing of the depth clear value to depth. */ + if (this_mask & BUFFER_BIT_DEPTH) { + _mesa_DepthFunc(GL_ALWAYS); + _mesa_Enable(GL_DEPTH_TEST); + } else { + _mesa_Disable(GL_DEPTH_TEST); + _mesa_DepthMask(GL_FALSE); + } + + /* Control writing of the stencil clear value to stencil. */ + if (this_mask & BUFFER_BIT_STENCIL) { + _mesa_Enable(GL_STENCIL_TEST); + _mesa_StencilOpSeparate(GL_FRONT_AND_BACK, + GL_REPLACE, GL_REPLACE, GL_REPLACE); + _mesa_StencilFuncSeparate(GL_FRONT_AND_BACK, GL_ALWAYS, + ctx->Stencil.Clear & 0x7fffffff, + ctx->Stencil.WriteMask[0]); + } else { + _mesa_Disable(GL_STENCIL_TEST); + } + + _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4); + + mask &= ~this_mask; + } + + meta_restore_transform(meta); + + _mesa_ActiveTextureARB(GL_TEXTURE0 + saved_active_texture); + if (saved_fp_enable) + _mesa_Enable(GL_FRAGMENT_PROGRAM_ARB); + if (saved_vp_enable) + _mesa_Enable(GL_VERTEX_PROGRAM_ARB); + + if (saved_shader_program) + _mesa_UseProgramObjectARB(saved_shader_program); + + _mesa_PopAttrib(); + + /* restore current array object */ + ctx->NewState |= _NEW_ARRAY; + ctx->Array.NewState |= _NEW_ARRAY_ALL; + _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, arraySave); + _mesa_reference_array_object(ctx, &arraySave, NULL); +} + +void meta_init_metaops(GLcontext *ctx, struct dri_metaops *meta) +{ + meta->ctx = ctx; +} + +void meta_destroy_metaops(struct dri_metaops *meta) +{ + if (meta->clear.arrayObj) + _mesa_delete_array_object(meta->ctx, meta->clear.arrayObj); + +} -- cgit v1.2.3