*/
#define RADEON_MAX_CLEARS 256
-
-
-static void
-r100_meta_set_passthrough_transform(r100ContextPtr r100)
-{
- GLcontext *ctx = r100->radeon.glCtx;
-
- r100->meta.saved_vp_x = ctx->Viewport.X;
- r100->meta.saved_vp_y = ctx->Viewport.Y;
- r100->meta.saved_vp_width = ctx->Viewport.Width;
- r100->meta.saved_vp_height = ctx->Viewport.Height;
- r100->meta.saved_matrix_mode = ctx->Transform.MatrixMode;
-
- _mesa_Viewport(0, 0, ctx->DrawBuffer->Width, ctx->DrawBuffer->Height);
-
- _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();
-}
-
-static void
-r100_meta_restore_transform(r100ContextPtr r100)
-{
- _mesa_MatrixMode(GL_PROJECTION);
- _mesa_PopMatrix();
- _mesa_MatrixMode(GL_MODELVIEW);
- _mesa_PopMatrix();
-
- _mesa_MatrixMode(r100->meta.saved_matrix_mode);
-
- _mesa_Viewport(r100->meta.saved_vp_x, r100->meta.saved_vp_y,
- r100->meta.saved_vp_width, r100->meta.saved_vp_height);
-}
-
-/**
- * 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.
- */
-static void radeon_clear_tris(GLcontext *ctx, GLbitfield mask)
-{
- r100ContextPtr rmesa = R100_CONTEXT(ctx);
- GLfloat vertices[4][3];
- GLfloat color[4][4];
- GLfloat dst_z;
- struct gl_framebuffer *fb = ctx->DrawBuffer;
- int i;
- GLboolean saved_fp_enable = GL_FALSE, saved_vp_enable = GL_FALSE;
- GLboolean saved_shader_program = 0;
- unsigned int saved_active_texture;
-
- assert((mask & ~(BUFFER_BIT_BACK_LEFT | BUFFER_BIT_FRONT_LEFT |
- BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) == 0);
-
- _mesa_PushAttrib(GL_COLOR_BUFFER_BIT |
- GL_CURRENT_BIT |
- GL_DEPTH_BUFFER_BIT |
- GL_ENABLE_BIT |
- GL_STENCIL_BUFFER_BIT |
- GL_TRANSFORM_BIT |
- GL_CURRENT_BIT);
- _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_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);
- 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);
- }
- }
- }
-
- r100_meta_set_passthrough_transform(rmesa);
-
- for (i = 0; i < 4; i++) {
- color[i][0] = ctx->Color.ClearColor[0];
- color[i][1] = ctx->Color.ClearColor[1];
- color[i][2] = ctx->Color.ClearColor[2];
- color[i][3] = ctx->Color.ClearColor[3];
- }
-
- /* convert clear Z from [0,1] to NDC coord in [-1,1] */
- dst_z = -1.0 + 2.0 * ctx->Depth.Clear;
-
- /* Prepare the vertices, which are the same regardless of which buffer we're
- * drawing to.
- */
- vertices[0][0] = fb->_Xmin;
- vertices[0][1] = fb->_Ymin;
- vertices[0][2] = dst_z;
- vertices[1][0] = fb->_Xmax;
- vertices[1][1] = fb->_Ymin;
- vertices[1][2] = dst_z;
- vertices[2][0] = fb->_Xmax;
- vertices[2][1] = fb->_Ymax;
- vertices[2][2] = dst_z;
- vertices[3][0] = fb->_Xmin;
- vertices[3][1] = fb->_Ymax;
- vertices[3][2] = dst_z;
-
- _mesa_ColorPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), &color);
- _mesa_VertexPointer(3, GL_FLOAT, 3 * sizeof(GLfloat), &vertices);
- _mesa_Enable(GL_COLOR_ARRAY);
- _mesa_Enable(GL_VERTEX_ARRAY);
-
- while (mask != 0) {
- GLuint this_mask = 0;
-
- if (mask & BUFFER_BIT_BACK_LEFT)
- this_mask = BUFFER_BIT_BACK_LEFT;
- else if (mask & BUFFER_BIT_FRONT_LEFT)
- this_mask = BUFFER_BIT_FRONT_LEFT;
-
- /* 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
- _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_StencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
- _mesa_StencilFuncSeparate(GL_FRONT, GL_ALWAYS, ctx->Stencil.Clear,
- ctx->Stencil.WriteMask[0]);
- } else {
- _mesa_Disable(GL_STENCIL_TEST);
- }
-
- CALL_DrawArrays(ctx->Exec, (GL_TRIANGLE_FAN, 0, 4));
-
- mask &= ~this_mask;
- }
-
- r100_meta_restore_transform(rmesa);
-
- _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_PopClientAttrib();
- _mesa_PopAttrib();
-}
-
static void radeonUserClear(GLcontext *ctx, GLuint mask)
{
radeon_clear_tris(ctx, mask);
mask &= ~BUFFER_BIT_DEPTH;
}
- if ( (mask & BUFFER_BIT_STENCIL) && rmesa->radeon.state.stencil.hwBuffer ) {
+ if ( (mask & BUFFER_BIT_STENCIL) ) {
flags |= RADEON_STENCIL;
mask &= ~BUFFER_BIT_STENCIL;
}
flags |= RADEON_USE_COMP_ZBUF;
/* if (rmesa->radeon.radeonScreen->chipset & RADEON_CHIPSET_TCL)
flags |= RADEON_USE_HIERZ; */
- if (!(rmesa->radeon.state.stencil.hwBuffer) ||
- ((flags & RADEON_DEPTH) && (flags & RADEON_STENCIL) &&
+ if (((flags & RADEON_DEPTH) && (flags & RADEON_STENCIL) &&
((rmesa->radeon.state.stencil.clear & RADEON_STENCIL_WRITE_MASK) == RADEON_STENCIL_WRITE_MASK))) {
flags |= RADEON_CLEAR_FASTZ;
}
projects / mesa.git / blobdiff