**************************************************************************/
#include "main/glheader.h"
-#include "main/enums.h"
-#include "main/image.h"
#include "main/mtypes.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/macros.h"
-#include "main/matrix.h"
-#include "main/texstate.h"
-#include "main/shaders.h"
-#include "main/stencil.h"
-#include "main/varray.h"
-#include "glapi/dispatch.h"
#include "swrast/swrast.h"
+#include "drivers/common/meta.h"
#include "intel_context.h"
#include "intel_blit.h"
-#include "intel_chipset.h"
#include "intel_clear.h"
#include "intel_fbo.h"
-#include "intel_pixel.h"
+#include "intel_regions.h"
#define FILE_DEBUG_FLAG DEBUG_BLIT
-#define TRI_CLEAR_COLOR_BITS (BUFFER_BIT_BACK_LEFT | \
- BUFFER_BIT_FRONT_LEFT | \
- BUFFER_BIT_COLOR0 | \
- BUFFER_BIT_COLOR1 | \
- BUFFER_BIT_COLOR2 | \
- BUFFER_BIT_COLOR3 | \
- BUFFER_BIT_COLOR4 | \
- BUFFER_BIT_COLOR5 | \
- BUFFER_BIT_COLOR6 | \
- BUFFER_BIT_COLOR7)
-
-/**
- * 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
-intel_clear_tris(GLcontext *ctx, GLbitfield mask)
-{
- struct intel_context *intel = intel_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;
- GLuint saved_shader_program = 0;
- unsigned int saved_active_texture;
-
- assert((mask & ~(TRI_CLEAR_COLOR_BITS | 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);
- }
- }
- }
-
- intel_meta_set_passthrough_transform(intel);
-
- 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;
- 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_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;
- }
-
- intel_meta_restore_transform(intel);
-
- _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 const char *buffer_names[] = {
[BUFFER_FRONT_LEFT] = "front",
[BUFFER_BACK_LEFT] = "back",
intelClear(GLcontext *ctx, GLbitfield mask)
{
struct intel_context *intel = intel_context(ctx);
- const GLuint colorMask = *((GLuint *) & ctx->Color.ColorMask);
+ const GLuint colorMask = *((GLuint *) & ctx->Color.ColorMask[0]);
GLbitfield tri_mask = 0;
GLbitfield blit_mask = 0;
GLbitfield swrast_mask = 0;
struct gl_framebuffer *fb = ctx->DrawBuffer;
GLuint i;
+ if (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_FRONT_RIGHT)) {
+ intel->front_buffer_dirty = GL_TRUE;
+ }
+
if (0)
fprintf(stderr, "%s\n", __FUNCTION__);
tri_mask |= (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT));
}
+ /* Make sure we have up to date buffers before we start looking at
+ * the tiling bits to determine how to clear. */
+ intel_prepare_render(intel);
+
/* HW stencil */
if (mask & BUFFER_BIT_STENCIL) {
const struct intel_region *stencilRegion
= intel_get_rb_region(fb, BUFFER_STENCIL);
if (stencilRegion) {
/* have hw stencil */
- if (IS_965(intel->intelScreen->deviceID) ||
+ if (stencilRegion->tiling == I915_TILING_Y ||
(ctx->Stencil.WriteMask[0] & 0xff) != 0xff) {
/* We have to use the 3D engine if we're clearing a partial mask
* of the stencil buffer, or if we're on a 965 which has a tiled
/* HW depth */
if (mask & BUFFER_BIT_DEPTH) {
+ const struct intel_region *irb = intel_get_rb_region(fb, BUFFER_DEPTH);
+
/* clear depth with whatever method is used for stencil (see above) */
- if (IS_965(intel->intelScreen->deviceID) ||
- tri_mask & BUFFER_BIT_STENCIL)
+ if (irb->tiling == I915_TILING_Y || tri_mask & BUFFER_BIT_STENCIL)
tri_mask |= BUFFER_BIT_DEPTH;
else
blit_mask |= BUFFER_BIT_DEPTH;
* buffer with it.
*/
if (mask & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) {
- int color_bit = _mesa_ffs(mask & TRI_CLEAR_COLOR_BITS);
+ int color_bit = _mesa_ffs(mask & BUFFER_BITS_COLOR);
if (color_bit != 0) {
tri_mask |= blit_mask & (1 << (color_bit - 1));
blit_mask &= ~(1 << (color_bit - 1));
}
}
+ if (intel->gen >= 6) {
+ /* Blits are in a different ringbuffer so we don't use them. */
+ tri_mask |= blit_mask;
+ blit_mask = 0;
+ }
+
/* SW fallback clearing */
swrast_mask = mask & ~tri_mask & ~blit_mask;
- for (i = 0; i < BUFFER_COUNT; i++) {
- GLuint bufBit = 1 << i;
- if ((blit_mask | tri_mask) & bufBit) {
+ {
+ /* look for non-Intel renderbuffers (clear them with swrast) */
+ GLbitfield blit_or_tri = blit_mask | tri_mask;
+ while (blit_or_tri) {
+ GLuint i = _mesa_ffs(blit_or_tri) - 1;
+ GLbitfield bufBit = 1 << i;
if (!fb->Attachment[i].Renderbuffer->ClassID) {
blit_mask &= ~bufBit;
tri_mask &= ~bufBit;
swrast_mask |= bufBit;
}
+ blit_or_tri ^= bufBit;
}
}
}
DBG("\n");
}
- intel_clear_tris(ctx, tri_mask);
+
+ _mesa_meta_Clear(&intel->ctx, tri_mask);
}
if (swrast_mask) {
projects / mesa.git / blobdiff