#include "main/enums.h"
#include "main/image.h"
#include "main/mtypes.h"
-#include "main/macros.h"
-#include "main/bufferobj.h"
#include "main/teximage.h"
#include "main/texenv.h"
#include "main/texobj.h"
#include "main/enable.h"
#include "main/buffers.h"
#include "main/fbobject.h"
-#include "main/renderbuffer.h"
#include "main/depth.h"
#include "main/hash.h"
#include "main/blend.h"
-#include "glapi/dispatch.h"
#include "swrast/swrast.h"
+#include "drivers/common/meta.h"
-#include "intel_screen.h"
#include "intel_context.h"
#include "intel_batchbuffer.h"
#include "intel_blit.h"
#include "intel_buffers.h"
#include "intel_regions.h"
#include "intel_pixel.h"
-#include "intel_buffer_objects.h"
#include "intel_fbo.h"
-static GLboolean
-intel_texture_drawpixels(GLcontext * ctx,
- GLint x, GLint y,
- GLsizei width, GLsizei height,
- GLenum format,
- GLenum type,
- const struct gl_pixelstore_attrib *unpack,
- const GLvoid *pixels)
-{
- struct intel_context *intel = intel_context(ctx);
- GLuint texname;
- GLfloat vertices[4][4];
- GLfloat z;
- GLint old_active_texture;
- GLenum internalFormat;
-
- /* We're going to mess with texturing with no regard to existing texture
- * state, so if there is some set up we have to bail.
- */
- if (ctx->Texture._EnabledUnits != 0) {
- if (INTEL_DEBUG & DEBUG_FALLBACKS)
- fprintf(stderr, "glDrawPixels() fallback: texturing enabled\n");
- return GL_FALSE;
- }
-
- /* Can't do textured DrawPixels with a fragment program, unless we were
- * to generate a new program that sampled our texture and put the results
- * in the fragment color before the user's program started.
- */
- if (ctx->FragmentProgram.Enabled) {
- if (INTEL_DEBUG & DEBUG_FALLBACKS)
- fprintf(stderr, "glDrawPixels() fallback: fragment program enabled\n");
- return GL_FALSE;
- }
-
- /* We don't have a way to generate fragments with stencil values which
- * will set the resulting stencil value.
- */
- if (format == GL_STENCIL_INDEX || format == GL_DEPTH_STENCIL)
- return GL_FALSE;
-
- /* Check that we can load in a texture this big. */
- if (width > (1 << (ctx->Const.MaxTextureLevels - 1)) ||
- height > (1 << (ctx->Const.MaxTextureLevels - 1))) {
- if (INTEL_DEBUG & DEBUG_FALLBACKS)
- fprintf(stderr, "glDrawPixels() fallback: bitmap too large (%dx%d)\n",
- width, height);
- return GL_FALSE;
- }
-
- /* To do DEPTH_COMPONENT, we would need to change our setup to not draw to
- * the color buffer, and sample the texture values into the fragment depth
- * in a program.
- */
- if (format == GL_DEPTH_COMPONENT) {
- if (INTEL_DEBUG & DEBUG_FALLBACKS)
- fprintf(stderr,
- "glDrawPixels() fallback: format == GL_DEPTH_COMPONENT\n");
- return GL_FALSE;
- }
-
- if (!ctx->Extensions.ARB_texture_non_power_of_two &&
- (!is_power_of_two(width) || !is_power_of_two(height))) {
- if (INTEL_DEBUG & DEBUG_FALLBACKS)
- fprintf(stderr,
- "glDrawPixels() fallback: NPOT texture\n");
- return GL_FALSE;
- }
-
- _mesa_PushAttrib(GL_ENABLE_BIT | GL_TEXTURE_BIT |
- GL_CURRENT_BIT);
- _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
-
- /* XXX: pixel store stuff */
- _mesa_Disable(GL_POLYGON_STIPPLE);
-
- old_active_texture = ctx->Texture.CurrentUnit;
- _mesa_ActiveTextureARB(GL_TEXTURE0_ARB);
- _mesa_Enable(GL_TEXTURE_2D);
- _mesa_GenTextures(1, &texname);
- _mesa_BindTexture(GL_TEXTURE_2D, texname);
- _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- _mesa_TexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
- if (type == GL_ALPHA)
- internalFormat = GL_ALPHA;
- else
- internalFormat = GL_RGBA;
- _mesa_TexImage2D(GL_TEXTURE_2D, 0, internalFormat, width, height, 0, format,
- type, pixels);
-
- intel_meta_set_passthrough_transform(intel);
-
- /* convert rasterpos Z from [0,1] to NDC coord in [-1,1] */
- z = -1.0 + 2.0 * ctx->Current.RasterPos[2];
-
- /* Create the vertex buffer based on the current raster pos. The x and y
- * we're handed are ctx->Current.RasterPos[0,1] rounded to integers.
- * We also apply the depth. However, the W component is already multiplied
- * into ctx->Current.RasterPos[0,1,2] and we can ignore it at this point.
- */
- vertices[0][0] = x;
- vertices[0][1] = y;
- vertices[0][2] = z;
- vertices[0][3] = 1.0;
- vertices[1][0] = x + width * ctx->Pixel.ZoomX;
- vertices[1][1] = y;
- vertices[1][2] = z;
- vertices[1][3] = 1.0;
- vertices[2][0] = x + width * ctx->Pixel.ZoomX;
- vertices[2][1] = y + height * ctx->Pixel.ZoomY;
- vertices[2][2] = z;
- vertices[2][3] = 1.0;
- vertices[3][0] = x;
- vertices[3][1] = y + height * ctx->Pixel.ZoomY;
- vertices[3][2] = z;
- vertices[3][3] = 1.0;
-
- _mesa_VertexPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), &vertices);
- _mesa_Enable(GL_VERTEX_ARRAY);
- intel_meta_set_default_texrect(intel);
-
- _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
- intel_meta_restore_texcoords(intel);
- intel_meta_restore_transform(intel);
-
- _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + old_active_texture);
- _mesa_PopClientAttrib();
- _mesa_PopAttrib();
-
- _mesa_DeleteTextures(1, &texname);
-
- return GL_TRUE;
-}
+/** XXX compare perf of this vs. _mesa_meta_DrawPixels(STENCIL) */
static GLboolean
intel_stencil_drawpixels(GLcontext * ctx,
GLint x, GLint y,
ctx->Unpack = old_unpack;
_mesa_free(stencil_pixels);
- intel_meta_set_passthrough_transform(intel);
+ meta_set_passthrough_transform(&intel->meta);
/* Since we're rendering to the framebuffer as if it was an FBO,
* if it's the window system we have to flip the coordinates.
_mesa_VertexPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), &vertices);
_mesa_Enable(GL_VERTEX_ARRAY);
- intel_meta_set_default_texrect(intel);
+ meta_set_default_texrect(&intel->meta);
_mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
- intel_meta_restore_texcoords(intel);
- intel_meta_restore_transform(intel);
+ meta_restore_texcoords(&intel->meta);
+ meta_restore_transform(&intel->meta);
_mesa_ActiveTextureARB(GL_TEXTURE0_ARB + old_active_texture);
_mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, old_fb_name);
const struct gl_pixelstore_attrib *unpack,
const GLvoid * pixels)
{
- if (intel_texture_drawpixels(ctx, x, y, width, height, format, type,
- unpack, pixels))
- return;
-
+#if 0
+ /* XXX this function doesn't seem to work reliably even when all
+ * the pre-requisite conditions are met.
+ * Note that this function is never hit with conform.
+ * Fall back to swrast because even the _mesa_meta_DrawPixels() approach
+ * isn't working because of an apparent stencil bug.
+ */
if (intel_stencil_drawpixels(ctx, x, y, width, height, format, type,
unpack, pixels))
return;
+#else
+ (void) intel_stencil_drawpixels; /* silence warning */
+ if (format == GL_STENCIL_INDEX) {
+ _swrast_DrawPixels(ctx, x, y, width, height, format, type,
+ unpack, pixels);
+ return;
+ }
+#endif
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s: fallback to swrast\n", __FUNCTION__);
-
- _swrast_DrawPixels(ctx, x, y, width, height, format, type,
- unpack, pixels);
+ _mesa_meta_DrawPixels(ctx, x, y, width, height, format, type,
+ unpack, pixels);
}
projects / mesa.git / blobdiff