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mesa: obey stencil write mask in _mesa_meta_draw_pixels()

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This commit is contained in:
Brian Paul 2009-09-01 12:24:30 -06:00
parent a1e869b417
commit 92d63931e2
1 changed files with 8 additions and 6 deletions
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14
src/mesa/drivers/common/meta.c
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@ -1429,6 +1429,7 @@ _mesa_meta_draw_pixels(GLcontext *ctx,
struct drawpix_state *drawpix = &ctx->Meta->DrawPix;
struct temp_texture *tex = get_temp_texture(ctx);
const struct gl_pixelstore_attrib unpackSave = ctx->Unpack;
const GLuint origStencilMask = ctx->Stencil.WriteMask[0];
GLfloat verts[4][5]; /* four verts of X,Y,Z,S,T */
GLenum texIntFormat;
GLboolean fallback, newTex;
@ -1593,14 +1594,15 @@ _mesa_meta_draw_pixels(GLcontext *ctx,
for (bit = 0; bit < ctx->Visual.stencilBits; bit++) {
const GLuint mask = 1 << bit;
if (mask & origStencilMask) {
_mesa_StencilFunc(GL_ALWAYS, mask, mask);
_mesa_StencilMask(mask);
_mesa_StencilFunc(GL_ALWAYS, mask, mask);
_mesa_StencilMask(mask);
_mesa_ProgramLocalParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, 0,
255.0 / mask, 0.5, 0.0, 0.0);
_mesa_ProgramLocalParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, 0,
255.0 / mask, 0.5, 0.0, 0.0);
_mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
_mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
}
}
else if (_mesa_is_depth_format(format)) {