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path: root/src/mesa/drivers/dri/intel/intel_pixel_draw.c
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Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_pixel_draw.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_pixel_draw.c53
1 files changed, 22 insertions, 31 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..ddcc661e00 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_draw.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_draw.c
@@ -70,7 +70,6 @@ intel_texture_drawpixels(GLcontext * ctx,
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;
@@ -177,22 +176,13 @@ intel_texture_drawpixels(GLcontext * ctx,
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);
+ 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);
@@ -216,14 +206,14 @@ 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;
@@ -360,31 +350,32 @@ intel_stencil_drawpixels(GLcontext * ctx,
intel_meta_set_passthrough_transform(intel);
+ /* 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);
+ 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);