* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
-/* $XFree86: xc/lib/GL/mesa/src/drv/i810/i810tex.c,v 1.9 2002/10/30 12:51:33 alanh Exp $ */
-
-#include "glheader.h"
-#include "mtypes.h"
-#include "imports.h"
-#include "simple_list.h"
-#include "enums.h"
-#include "texstore.h"
-#include "texformat.h"
-#include "teximage.h"
-#include "texmem.h"
+
+#include "main/glheader.h"
+#include "main/mtypes.h"
+#include "main/imports.h"
+#include "main/simple_list.h"
+#include "main/enums.h"
+#include "main/texstore.h"
+#include "main/texformat.h"
+#include "main/teximage.h"
+#include "main/texobj.h"
+#include "main/colormac.h"
+#include "main/texobj.h"
+#include "main/mm.h"
#include "swrast/swrast.h"
-#include "colormac.h"
-#include "mm.h"
+#include "texmem.h"
#include "i810screen.h"
#include "i810_dri.h"
}
-static void i810SetTexBorderColor(i810TextureObjectPtr t,
- GLubyte color[4])
+static void
+i810SetTexBorderColor( i810TextureObjectPtr t, GLubyte color[4] )
{
/* Need a fallback.
*/
}
-static i810TextureObjectPtr i810AllocTexObj( GLcontext *ctx, struct gl_texture_object *texObj )
+
+
+static i810TextureObjectPtr
+i810AllocTexObj( GLcontext *ctx, struct gl_texture_object *texObj )
{
i810TextureObjectPtr t;
i810ContextPtr imesa = I810_CONTEXT(ctx);
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
i810TextureObjectPtr t = (i810TextureObjectPtr) tObj->DriverData;
+
if (!t)
return;
}
+/**
+ * Setup hardware bits for new texture environment settings.
+ *
+ * \todo
+ * Determine whether or not \c param can be used instead of
+ * \c texUnit->EnvColor in the \c GL_TEXTURE_ENV_COLOR case.
+ */
static void i810TexEnv( GLcontext *ctx, GLenum target,
GLenum pname, const GLfloat *param )
{
i810ContextPtr imesa = I810_CONTEXT( ctx );
- GLuint unit = ctx->Texture.CurrentUnit;
+ const GLuint unit = ctx->Texture.CurrentUnit;
+ const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
/* Only one env color. Need a fallback if env colors are different
* and texture setup references env color in both units.
*/
switch (pname) {
case GL_TEXTURE_ENV_COLOR: {
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- GLfloat *fc = texUnit->EnvColor;
- GLuint r, g, b, a, col;
- CLAMPED_FLOAT_TO_UBYTE(r, fc[0]);
- CLAMPED_FLOAT_TO_UBYTE(g, fc[1]);
- CLAMPED_FLOAT_TO_UBYTE(b, fc[2]);
- CLAMPED_FLOAT_TO_UBYTE(a, fc[3]);
-
- col = ((a << 24) |
- (r << 16) |
- (g << 8) |
- (b << 0));
-
- if (imesa->Setup[I810_CTXREG_CF1] != col) {
- I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
- imesa->Setup[I810_CTXREG_CF1] = col;
+ GLubyte c[4];
+ GLuint envColor;
+
+ UNCLAMPED_FLOAT_TO_RGBA_CHAN( c, texUnit->EnvColor );
+ envColor = PACK_COLOR_8888( c[3], c[0], c[1], c[2] );
+
+ if (imesa->Setup[I810_CTXREG_CF1] != envColor) {
+ I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
+ imesa->Setup[I810_CTXREG_CF1] = envColor;
}
break;
}
+
case GL_TEXTURE_ENV_MODE:
imesa->TexEnvImageFmt[unit] = 0; /* force recalc of env state */
break;
- case GL_TEXTURE_LOD_BIAS_EXT:
- {
- struct gl_texture_object *tObj = ctx->Texture.Unit[unit]._Current;
- i810TextureObjectPtr t = (i810TextureObjectPtr) tObj->DriverData;
- t->Setup[I810_TEXREG_MLC] &= ~(MLC_LOD_BIAS_MASK);
- t->Setup[I810_TEXREG_MLC] |= i810ComputeLodBias(*param);
+ case GL_TEXTURE_LOD_BIAS: {
+ if ( texUnit->_Current != NULL ) {
+ const struct gl_texture_object *tObj = texUnit->_Current;
+ i810TextureObjectPtr t = (i810TextureObjectPtr) tObj->DriverData;
+
+ t->Setup[I810_TEXREG_MLC] &= ~(MLC_LOD_BIAS_MASK);
+ t->Setup[I810_TEXREG_MLC] |= i810ComputeLodBias(*param);
}
break;
+ }
default:
break;
_mesa_store_teximage2d( ctx, target, level, internalFormat,
width, height, border, format, type,
pixels, packing, texObj, texImage );
-
}
static void i810TexSubImage2D( GLcontext *ctx,
struct gl_texture_image *texImage )
{
driTextureObject *t = (driTextureObject *)texObj->DriverData;
-
if (t) {
I810_FIREVERTICES( I810_CONTEXT(ctx) );
driSwapOutTextureObject( t );
_mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
height, format, type, pixels, packing, texObj,
texImage);
-
}
static void i810BindTexture( GLcontext *ctx, GLenum target,
struct gl_texture_object *tObj )
{
- if (!tObj->DriverData) {
- i810AllocTexObj( ctx, tObj );
- }
+ assert( (target != GL_TEXTURE_2D) || (tObj->DriverData != NULL) );
}
static void i810DeleteTexture( GLcontext *ctx, struct gl_texture_object *tObj )
{
- driTextureObject * t = (driTextureObject *) tObj->DriverData;
+ driTextureObject * t = (driTextureObject *) tObj->DriverData;
if (t) {
i810ContextPtr imesa = I810_CONTEXT( ctx );
if (imesa)
I810_FIREVERTICES( imesa );
driDestroyTextureObject( t );
}
+ /* Free mipmap images and the texture object itself */
+ _mesa_delete_texture_object(ctx, tObj);
}
+/**
+ * Choose a Mesa texture format to match the requested format.
+ *
+ * The i810 only supports 5 texture modes that are useful to Mesa. That
+ * makes this routine pretty simple.
+ */
static const struct gl_texture_format *
i810ChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
GLenum format, GLenum type )
switch ( internalFormat ) {
case 4:
case GL_RGBA:
+ case GL_RGBA2:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
case GL_COMPRESSED_RGBA:
- if ( format == GL_BGRA ) {
- if ( type == GL_UNSIGNED_SHORT_1_5_5_5_REV ) {
- return &_mesa_texformat_argb1555;
- }
+ if ( ((format == GL_BGRA) && (type == GL_UNSIGNED_SHORT_1_5_5_5_REV))
+ || ((format == GL_RGBA) && (type == GL_UNSIGNED_SHORT_5_5_5_1))
+ || (internalFormat == GL_RGB5_A1) ) {
+ return &_mesa_texformat_argb1555;
}
return &_mesa_texformat_argb4444;
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
- return &_mesa_texformat_rgb565;
-
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- return &_mesa_texformat_argb4444;
-
- case GL_RGB5_A1:
- return &_mesa_texformat_argb1555;
+ return &_mesa_texformat_rgb565;
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA12:
case GL_ALPHA16:
case GL_COMPRESSED_ALPHA:
- return &_mesa_texformat_al88;
-
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE12:
case GL_LUMINANCE16:
case GL_COMPRESSED_LUMINANCE:
- return &_mesa_texformat_rgb565;
-
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE4_ALPHA4:
case GL_INTENSITY12:
case GL_INTENSITY16:
case GL_COMPRESSED_INTENSITY:
- return &_mesa_texformat_argb4444;
+ return &_mesa_texformat_al88;
case GL_YCBCR_MESA:
if (type == GL_UNSIGNED_SHORT_8_8_MESA ||
return NULL; /* never get here */
}
-void i810InitTextureFuncs( GLcontext *ctx )
+/**
+ * Allocate a new texture object.
+ * Called via ctx->Driver.NewTextureObject.
+ * Note: this function will be called during context creation to
+ * allocate the default texture objects.
+ * Note: we could use containment here to 'derive' the driver-specific
+ * texture object from the core mesa gl_texture_object. Not done at this time.
+ */
+static struct gl_texture_object *
+i810NewTextureObject( GLcontext *ctx, GLuint name, GLenum target )
{
- i810ContextPtr imesa = I810_CONTEXT(ctx);
-
- ctx->Driver.TexEnv = i810TexEnv;
- ctx->Driver.ChooseTextureFormat = i810ChooseTextureFormat;
- ctx->Driver.TexImage1D = _mesa_store_teximage1d;
- ctx->Driver.TexImage2D = i810TexImage2D;
- ctx->Driver.TexImage3D = _mesa_store_teximage3d;
- ctx->Driver.TexSubImage1D = _mesa_store_texsubimage1d;
- ctx->Driver.TexSubImage2D = i810TexSubImage2D;
- ctx->Driver.TexSubImage3D = _mesa_store_texsubimage3d;
- ctx->Driver.CopyTexImage1D = _swrast_copy_teximage1d;
- ctx->Driver.CopyTexImage2D = _swrast_copy_teximage2d;
- ctx->Driver.CopyTexSubImage1D = _swrast_copy_texsubimage1d;
- ctx->Driver.CopyTexSubImage2D = _swrast_copy_texsubimage2d;
- ctx->Driver.CopyTexSubImage3D = _swrast_copy_texsubimage3d;
- ctx->Driver.BindTexture = i810BindTexture;
- ctx->Driver.DeleteTexture = i810DeleteTexture;
- ctx->Driver.TexParameter = i810TexParameter;
- ctx->Driver.UpdateTexturePalette = 0;
- ctx->Driver.IsTextureResident = driIsTextureResident;
- ctx->Driver.TestProxyTexImage = _mesa_test_proxy_teximage;
-
- driInitTextureObjects( ctx, &imesa->swapped, DRI_TEXMGR_DO_TEXTURE_2D);
+ struct gl_texture_object *obj;
+ obj = _mesa_new_texture_object(ctx, name, target);
+ i810AllocTexObj( ctx, obj );
+ return obj;
+}
+void i810InitTextureFuncs( struct dd_function_table *functions )
+{
+ functions->ChooseTextureFormat = i810ChooseTextureFormat;
+ functions->TexImage2D = i810TexImage2D;
+ functions->TexSubImage2D = i810TexSubImage2D;
+ functions->BindTexture = i810BindTexture;
+ functions->NewTextureObject = i810NewTextureObject;
+ functions->DeleteTexture = i810DeleteTexture;
+ functions->TexParameter = i810TexParameter;
+ functions->TexEnv = i810TexEnv;
+ functions->IsTextureResident = driIsTextureResident;
}
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