return GL_TRUE;
}
-
-GLboolean
-intel_check_meta_tex_fragment_ops(GLcontext * ctx)
-{
- if (ctx->NewState)
- _mesa_update_state(ctx);
-
- /* Some of _ImageTransferState (scale, bias) could be done with
- * fragment programs on i915.
- */
- return !(ctx->_ImageTransferState || ctx->Fog.Enabled || /* not done yet */
- ctx->Texture._EnabledUnits || ctx->FragmentProgram._Enabled);
-}
-
/* The intel_region struct doesn't really do enough to capture the
* format of the pixels in the region. For now this code assumes that
* the region is a display surface and hence is either ARGB8888 or
return GL_FALSE;
}
-void
-intel_meta_set_passthrough_transform(struct intel_context *intel)
-{
- GLcontext *ctx = &intel->ctx;
-
- intel->meta.saved_vp_x = ctx->Viewport.X;
- intel->meta.saved_vp_y = ctx->Viewport.Y;
- intel->meta.saved_vp_width = ctx->Viewport.Width;
- intel->meta.saved_vp_height = ctx->Viewport.Height;
- intel->meta.saved_matrix_mode = ctx->Transform.MatrixMode;
-
- intel->internal_viewport_call = GL_TRUE;
- _mesa_Viewport(0, 0, ctx->DrawBuffer->Width, ctx->DrawBuffer->Height);
- intel->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
-intel_meta_restore_transform(struct intel_context *intel)
-{
- _mesa_MatrixMode(GL_PROJECTION);
- _mesa_PopMatrix();
- _mesa_MatrixMode(GL_MODELVIEW);
- _mesa_PopMatrix();
-
- _mesa_MatrixMode(intel->meta.saved_matrix_mode);
-
- intel->internal_viewport_call = GL_TRUE;
- _mesa_Viewport(intel->meta.saved_vp_x, intel->meta.saved_vp_y,
- intel->meta.saved_vp_width, intel->meta.saved_vp_height);
- intel->internal_viewport_call = GL_FALSE;
-}
-
-/**
- * Set up a vertex program to pass through the position and first texcoord
- * for pixel path.
- */
-void
-intel_meta_set_passthrough_vertex_program(struct intel_context *intel)
-{
- GLcontext *ctx = &intel->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(intel->meta.saved_vp == NULL);
-
- _mesa_reference_vertprog(ctx, &intel->meta.saved_vp,
- ctx->VertexProgram.Current);
- if (intel->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, &intel->meta.passthrough_vp,
- ctx->VertexProgram.Current);
- _mesa_DeletePrograms(1, &prog_name);
- }
-
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current,
- intel->meta.passthrough_vp);
- ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB,
- &intel->meta.passthrough_vp->Base);
-
- intel->meta.saved_vp_enable = ctx->VertexProgram.Enabled;
- _mesa_Enable(GL_VERTEX_PROGRAM_ARB);
-}
-
-/**
- * Restores the previous vertex program after
- * intel_meta_set_passthrough_vertex_program()
- */
-void
-intel_meta_restore_vertex_program(struct intel_context *intel)
-{
- GLcontext *ctx = &intel->ctx;
-
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current,
- intel->meta.saved_vp);
- _mesa_reference_vertprog(ctx, &intel->meta.saved_vp, NULL);
- ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB,
- &ctx->VertexProgram.Current->Base);
-
- if (!intel->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
-intel_meta_set_fragment_program(struct intel_context *intel,
- struct gl_fragment_program **prog,
- const char *prog_string)
-{
- GLcontext *ctx = &intel->ctx;
- assert(intel->meta.saved_fp == NULL);
-
- _mesa_reference_fragprog(ctx, &intel->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));
-
- intel->meta.saved_fp_enable = ctx->FragmentProgram.Enabled;
- _mesa_Enable(GL_FRAGMENT_PROGRAM_ARB);
-}
-
-/**
- * Restores the previous fragment program after
- * intel_meta_set_fragment_program()
- */
-void
-intel_meta_restore_fragment_program(struct intel_context *intel)
-{
- GLcontext *ctx = &intel->ctx;
-
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current,
- intel->meta.saved_fp);
- _mesa_reference_fragprog(ctx, &intel->meta.saved_fp, NULL);
- ctx->Driver.BindProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
- &ctx->FragmentProgram.Current->Base);
-
- if (!intel->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
-intel_meta_set_default_texrect(struct intel_context *intel)
-{
- GLcontext *ctx = &intel->ctx;
- struct gl_client_array *old_texcoord_array;
-
- intel->meta.saved_active_texture = ctx->Texture.CurrentUnit;
- if (intel->meta.saved_array_vbo == NULL) {
- _mesa_reference_buffer_object(ctx, &intel->meta.saved_array_vbo,
- ctx->Array.ArrayBufferObj);
- }
-
- old_texcoord_array = &ctx->Array.ArrayObj->TexCoord[0];
- intel->meta.saved_texcoord_type = old_texcoord_array->Type;
- intel->meta.saved_texcoord_size = old_texcoord_array->Size;
- intel->meta.saved_texcoord_stride = old_texcoord_array->Stride;
- intel->meta.saved_texcoord_enable = old_texcoord_array->Enabled;
- intel->meta.saved_texcoord_ptr = old_texcoord_array->Ptr;
- _mesa_reference_buffer_object(ctx, &intel->meta.saved_texcoord_vbo,
- old_texcoord_array->BufferObj);
-
- _mesa_ClientActiveTextureARB(GL_TEXTURE0);
-
- if (intel->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, &intel->meta.texcoord_vbo,
- ctx->Array.ArrayBufferObj);
- } else {
- _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB,
- intel->meta.texcoord_vbo->Name);
- }
- _mesa_TexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), NULL);
-
- _mesa_Enable(GL_TEXTURE_COORD_ARRAY);
-}
-
-void
-intel_meta_restore_texcoords(struct intel_context *intel)
-{
- GLcontext *ctx = &intel->ctx;
-
- /* Restore the old TexCoordPointer */
- if (intel->meta.saved_texcoord_vbo) {
- _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB,
- intel->meta.saved_texcoord_vbo->Name);
- _mesa_reference_buffer_object(ctx, &intel->meta.saved_texcoord_vbo, NULL);
- } else {
- _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
- }
-
- _mesa_TexCoordPointer(intel->meta.saved_texcoord_size,
- intel->meta.saved_texcoord_type,
- intel->meta.saved_texcoord_stride,
- intel->meta.saved_texcoord_ptr);
- if (!intel->meta.saved_texcoord_enable)
- _mesa_Disable(GL_TEXTURE_COORD_ARRAY);
-
- _mesa_ClientActiveTextureARB(GL_TEXTURE0 +
- intel->meta.saved_active_texture);
-
- if (intel->meta.saved_array_vbo) {
- _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB,
- intel->meta.saved_array_vbo->Name);
- _mesa_reference_buffer_object(ctx, &intel->meta.saved_array_vbo, NULL);
- } else {
- _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
- }
-}
-
void
intelInitPixelFuncs(struct dd_function_table *functions)
{
functions->Bitmap = intelBitmap;
functions->CopyPixels = intelCopyPixels;
functions->DrawPixels = intelDrawPixels;
-#ifdef I915
- functions->ReadPixels = intelReadPixels;
-#endif
}
-}
-
-void
-intel_free_pixel_state(struct intel_context *intel)
-{
- GLcontext *ctx = &intel->ctx;
-
- _mesa_reference_vertprog(ctx, &intel->meta.passthrough_vp, NULL);
- _mesa_reference_fragprog(ctx, &intel->meta.bitmap_fp, NULL);
- _mesa_reference_fragprog(ctx, &intel->meta.tex2d_fp, NULL);
- _mesa_reference_buffer_object(ctx, &intel->meta.texcoord_vbo, NULL);
+ functions->ReadPixels = intelReadPixels;
}
projects / mesa.git / blobdiff