diff options
Diffstat (limited to 'mesalib/src/mesa/main/clear.c')
| -rw-r--r-- | mesalib/src/mesa/main/clear.c | 82 |
1 files changed, 33 insertions, 49 deletions
diff --git a/mesalib/src/mesa/main/clear.c b/mesalib/src/mesa/main/clear.c index fa95e4522..301fe694c 100644 --- a/mesalib/src/mesa/main/clear.c +++ b/mesalib/src/mesa/main/clear.c @@ -83,16 +83,11 @@ _mesa_ClearColor( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha ) tmp[2] = blue; tmp[3] = alpha; - if (TEST_EQ_4V(tmp, ctx->Color.ClearColorUnclamped)) + if (TEST_EQ_4V(tmp, ctx->Color.ClearColor.f)) return; /* no change */ FLUSH_VERTICES(ctx, _NEW_COLOR); - COPY_4V(ctx->Color.ClearColorUnclamped, tmp); - - ctx->Color.ClearColor[0] = CLAMP(tmp[0], 0.0F, 1.0F); - ctx->Color.ClearColor[1] = CLAMP(tmp[1], 0.0F, 1.0F); - ctx->Color.ClearColor[2] = CLAMP(tmp[2], 0.0F, 1.0F); - ctx->Color.ClearColor[3] = CLAMP(tmp[3], 0.0F, 1.0F); + COPY_4V(ctx->Color.ClearColor.f, tmp); if (ctx->Driver.ClearColor) { /* it's OK to call glClearColor in CI mode but it should be a NOP */ @@ -110,25 +105,22 @@ _mesa_ClearColor( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha ) void GLAPIENTRY _mesa_ClearColorIiEXT(GLint r, GLint g, GLint b, GLint a) { - GLfloat tmp[4]; + GLint tmp[4]; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); - tmp[0] = (GLfloat) r; - tmp[1] = (GLfloat) g; - tmp[2] = (GLfloat) b; - tmp[3] = (GLfloat) a; + tmp[0] = r; + tmp[1] = g; + tmp[2] = b; + tmp[3] = a; - if (TEST_EQ_4V(tmp, ctx->Color.ClearColor)) + if (TEST_EQ_4V(tmp, ctx->Color.ClearColor.i)) return; /* no change */ FLUSH_VERTICES(ctx, _NEW_COLOR); + COPY_4V(ctx->Color.ClearColor.i, tmp); - /* XXX we should eventually have a float/int/uint union for - * the ctx->Color.ClearColor state. - */ - COPY_4V(ctx->Color.ClearColor, tmp); - + /* these should be NOP calls for drivers supporting EXT_texture_integer */ if (ctx->Driver.ClearColor) { ctx->Driver.ClearColor(ctx, ctx->Color.ClearColor); } @@ -141,25 +133,22 @@ _mesa_ClearColorIiEXT(GLint r, GLint g, GLint b, GLint a) void GLAPIENTRY _mesa_ClearColorIuiEXT(GLuint r, GLuint g, GLuint b, GLuint a) { - GLfloat tmp[4]; + GLuint tmp[4]; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); - tmp[0] = (GLfloat) r; - tmp[1] = (GLfloat) g; - tmp[2] = (GLfloat) b; - tmp[3] = (GLfloat) a; + tmp[0] = r; + tmp[1] = g; + tmp[2] = b; + tmp[3] = a; - if (TEST_EQ_4V(tmp, ctx->Color.ClearColor)) + if (TEST_EQ_4V(tmp, ctx->Color.ClearColor.ui)) return; /* no change */ FLUSH_VERTICES(ctx, _NEW_COLOR); + COPY_4V(ctx->Color.ClearColor.ui, tmp); - /* XXX we should eventually have a float/int/uint union for - * the ctx->Color.ClearColor state. - */ - COPY_4V(ctx->Color.ClearColor, tmp); - + /* these should be NOP calls for drivers supporting EXT_texture_integer */ if (ctx->Driver.ClearColor) { ctx->Driver.ClearColor(ctx, ctx->Color.ClearColor); } @@ -364,21 +353,18 @@ _mesa_ClearBufferiv(GLenum buffer, GLint drawbuffer, const GLint *value) return; } else if (mask) { - /* XXX note: we're putting the integer clear values into the - * floating point state var. This will not always work. We'll - * need a new ctx->Driver.ClearBuffer() hook.... - */ - GLclampf clearSave[4]; + union gl_color_union clearSave; + /* save color */ - COPY_4V(clearSave, ctx->Color.ClearColor); + clearSave = ctx->Color.ClearColor; /* set color */ - COPY_4V_CAST(ctx->Color.ClearColor, value, GLclampf); + COPY_4V(ctx->Color.ClearColor.i, value); if (ctx->Driver.ClearColor) ctx->Driver.ClearColor(ctx, ctx->Color.ClearColor); /* clear buffer(s) */ ctx->Driver.Clear(ctx, mask); /* restore color */ - COPY_4V(ctx->Color.ClearColor, clearSave); + ctx->Color.ClearColor = clearSave; if (ctx->Driver.ClearColor) ctx->Driver.ClearColor(ctx, clearSave); } @@ -418,21 +404,18 @@ _mesa_ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint *value) return; } else if (mask) { - /* XXX note: we're putting the uint clear values into the - * floating point state var. This will not always work. We'll - * need a new ctx->Driver.ClearBuffer() hook.... - */ - GLclampf clearSave[4]; + union gl_color_union clearSave; + /* save color */ - COPY_4V(clearSave, ctx->Color.ClearColor); + clearSave = ctx->Color.ClearColor; /* set color */ - COPY_4V_CAST(ctx->Color.ClearColor, value, GLclampf); + COPY_4V(ctx->Color.ClearColor.ui, value); if (ctx->Driver.ClearColor) ctx->Driver.ClearColor(ctx, ctx->Color.ClearColor); /* clear buffer(s) */ ctx->Driver.Clear(ctx, mask); /* restore color */ - COPY_4V(ctx->Color.ClearColor, clearSave); + ctx->Color.ClearColor = clearSave; if (ctx->Driver.ClearColor) ctx->Driver.ClearColor(ctx, clearSave); } @@ -495,17 +478,18 @@ _mesa_ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat *value) return; } else if (mask) { - GLclampf clearSave[4]; + union gl_color_union clearSave; + /* save color */ - COPY_4V(clearSave, ctx->Color.ClearColor); + clearSave = ctx->Color.ClearColor; /* set color */ - COPY_4V_CAST(ctx->Color.ClearColor, value, GLclampf); + COPY_4V_CAST(ctx->Color.ClearColor.f, value, GLclampf); if (ctx->Driver.ClearColor) ctx->Driver.ClearColor(ctx, ctx->Color.ClearColor); /* clear buffer(s) */ ctx->Driver.Clear(ctx, mask); /* restore color */ - COPY_4V(ctx->Color.ClearColor, clearSave); + ctx->Color.ClearColor = clearSave; if (ctx->Driver.ClearColor) ctx->Driver.ClearColor(ctx, clearSave); } |