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mesa: _mesa_ClearColorIuiEXT() and _mesa_ClearColorIiEXT() 

For GL_EXT_texture_integer.
This commit is contained in:
Brian Paul 2010-10-23 09:26:10 -06:00
parent f6dbb693d2
commit a0bc8eeb32
2 changed files with 69 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
src/mesa/main/clear.c
View File

@ -95,6 +95,68 @@ _mesa_ClearColor( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha )
}
/**
* GL_EXT_texture_integer
*/
void GLAPIENTRY
_mesa_ClearColorIiEXT(GLint r, GLint g, GLint b, GLint a)
{
GLfloat 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;
if (TEST_EQ_4V(tmp, ctx->Color.ClearColor))
return; /* no change */
FLUSH_VERTICES(ctx, _NEW_COLOR);
/* XXX we should eventually have a float/int/uint union for
* the ctx->Color.ClearColor state.
*/
COPY_4V(ctx->Color.ClearColor, tmp);
if (ctx->Driver.ClearColor) {
ctx->Driver.ClearColor(ctx, ctx->Color.ClearColor);
}
}
/**
* GL_EXT_texture_integer
*/
void GLAPIENTRY
_mesa_ClearColorIuiEXT(GLuint r, GLuint g, GLuint b, GLuint a)
{
GLfloat 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;
if (TEST_EQ_4V(tmp, ctx->Color.ClearColor))
return; /* no change */
FLUSH_VERTICES(ctx, _NEW_COLOR);
/* XXX we should eventually have a float/int/uint union for
* the ctx->Color.ClearColor state.
*/
COPY_4V(ctx->Color.ClearColor, tmp);
if (ctx->Driver.ClearColor) {
ctx->Driver.ClearColor(ctx, ctx->Color.ClearColor);
}
}
/**
* Clear buffers.
*

7
src/mesa/main/clear.h
View File

@ -37,6 +37,13 @@ extern void GLAPIENTRY
_mesa_ClearColor( GLclampf red, GLclampf green,
GLclampf blue, GLclampf alpha );
extern void GLAPIENTRY
_mesa_ClearColorIiEXT(GLint r, GLint g, GLint b, GLint a);
extern void GLAPIENTRY
_mesa_ClearColorIuiEXT(GLuint r, GLuint g, GLuint b, GLuint a);
extern void GLAPIENTRY
_mesa_Clear( GLbitfield mask );