diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_pixel_draw.c')
-rw-r--r-- | src/mesa/drivers/dri/intel/intel_pixel_draw.c | 206 |
1 files changed, 25 insertions, 181 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_draw.c b/src/mesa/drivers/dri/intel/intel_pixel_draw.c index d80069dd58..8c113881d6 100644 --- a/src/mesa/drivers/dri/intel/intel_pixel_draw.c +++ b/src/mesa/drivers/dri/intel/intel_pixel_draw.c @@ -29,8 +29,6 @@ #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" @@ -41,169 +39,21 @@ #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 texcoords[4][2]; - 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; - - texcoords[0][0] = 0.0; - texcoords[0][1] = 0.0; - texcoords[1][0] = 1.0; - texcoords[1][1] = 0.0; - texcoords[2][0] = 1.0; - texcoords[2][1] = 1.0; - texcoords[3][0] = 0.0; - texcoords[3][1] = 1.0; - - _mesa_VertexPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), &vertices); - _mesa_ClientActiveTextureARB(GL_TEXTURE0); - _mesa_TexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), &texcoords); - _mesa_Enable(GL_VERTEX_ARRAY); - _mesa_Enable(GL_TEXTURE_COORD_ARRAY); - _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4); - - 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_draw_pixels(STENCIL) */ static GLboolean intel_stencil_drawpixels(GLcontext * ctx, GLint x, GLint y, @@ -216,14 +66,14 @@ intel_stencil_drawpixels(GLcontext * ctx, struct intel_context *intel = intel_context(ctx); GLuint texname, rb_name, fb_name, old_fb_name; GLfloat vertices[4][2]; - GLfloat texcoords[4][2]; struct intel_renderbuffer *irb; struct intel_renderbuffer *depth_irb; struct gl_renderbuffer *rb; struct gl_pixelstore_attrib old_unpack; GLstencil *stencil_pixels; - int row; + int row, y1, y2; GLint old_active_texture; + GLboolean rendering_to_fbo = ctx->DrawBuffer->Name != 0; if (format != GL_STENCIL_INDEX) return GL_FALSE; @@ -358,34 +208,35 @@ intel_stencil_drawpixels(GLcontext * ctx, 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. + */ + if (rendering_to_fbo) { + y1 = y; + y2 = y + height * ctx->Pixel.ZoomY; + } else { + y1 = irb->Base.Height - (y + height * ctx->Pixel.ZoomY); + y2 = irb->Base.Height - y; + } vertices[0][0] = x; - vertices[0][1] = y; + vertices[0][1] = y1; vertices[1][0] = x + width * ctx->Pixel.ZoomX; - vertices[1][1] = y; + vertices[1][1] = y1; vertices[2][0] = x + width * ctx->Pixel.ZoomX; - vertices[2][1] = y + height * ctx->Pixel.ZoomY; + vertices[2][1] = y2; vertices[3][0] = x; - vertices[3][1] = y + height * ctx->Pixel.ZoomY; - - texcoords[0][0] = 0.0; - texcoords[0][1] = 0.0; - texcoords[1][0] = 1.0; - texcoords[1][1] = 0.0; - texcoords[2][0] = 1.0; - texcoords[2][1] = 1.0; - texcoords[3][0] = 0.0; - texcoords[3][1] = 1.0; + vertices[3][1] = y2; _mesa_VertexPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), &vertices); - _mesa_ClientActiveTextureARB(GL_TEXTURE0); - _mesa_TexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), &texcoords); _mesa_Enable(GL_VERTEX_ARRAY); - _mesa_Enable(GL_TEXTURE_COORD_ARRAY); + meta_set_default_texrect(&intel->meta); + _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4); - 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); @@ -409,17 +260,10 @@ intelDrawPixels(GLcontext * ctx, const struct gl_pixelstore_attrib *unpack, const GLvoid * pixels) { - if (intel_texture_drawpixels(ctx, x, y, width, height, format, type, - unpack, pixels)) - return; - if (intel_stencil_drawpixels(ctx, x, y, width, height, format, type, unpack, pixels)) return; - 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_draw_pixels(ctx, x, y, width, height, format, type, + unpack, pixels); } |