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authorChris Rankin <[email protected]>2007-09-29 18:14:06 +0200
committerMichel Dänzer <[email protected]>2007-09-29 18:14:06 +0200
commit4f96000e294fa0d6ba6f5915ff508017d9c26d50 (patch)
tree2255b2d416ada6c089ef31a4db2bfabafbd5ce23 /src/mesa/drivers/dri/r200/r200_texstate.c
parent2a3e33865dd9a3d064a3c0af94ef11d4aa4a6ce4 (diff)
r200: Implement SetTexOffset hook.
Implementation guidance by Michel Dänzer, final testing by Timo Aaltonen.
Diffstat (limited to 'src/mesa/drivers/dri/r200/r200_texstate.c')
-rw-r--r--src/mesa/drivers/dri/r200/r200_texstate.c94
1 files changed, 65 insertions, 29 deletions
diff --git a/src/mesa/drivers/dri/r200/r200_texstate.c b/src/mesa/drivers/dri/r200/r200_texstate.c
index ae02ec4b638..93c0fb7a65f 100644
--- a/src/mesa/drivers/dri/r200/r200_texstate.c
+++ b/src/mesa/drivers/dri/r200/r200_texstate.c
@@ -37,6 +37,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "context.h"
#include "macros.h"
#include "texformat.h"
+#include "texobj.h"
#include "enums.h"
#include "r200_context.h"
@@ -72,10 +73,11 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define VALID_FORMAT(f) ( ((f) <= MESA_FORMAT_RGBA_DXT5) \
&& (tx_table_le[f].format != 0xffffffff) )
-static const struct {
+struct tx_table {
GLuint format, filter;
-}
-tx_table_be[] =
+};
+
+static const struct tx_table tx_table_be[] =
{
[ MESA_FORMAT_RGBA8888 ] = { R200_TXFORMAT_ABGR8888 | R200_TXFORMAT_ALPHA_IN_MAP, 0 },
_ALPHA_REV(RGBA8888),
@@ -104,16 +106,13 @@ tx_table_be[] =
_ALPHA(RGBA_DXT5),
};
-static const struct {
- GLuint format, filter;
-}
-tx_table_le[] =
+static const struct tx_table tx_table_le[] =
{
_ALPHA(RGBA8888),
[ MESA_FORMAT_RGBA8888_REV ] = { R200_TXFORMAT_ABGR8888 | R200_TXFORMAT_ALPHA_IN_MAP, 0 },
_ALPHA(ARGB8888),
_ALPHA_REV(ARGB8888),
- _INVALID(RGB888),
+ [ MESA_FORMAT_RGB888 ] = { R200_TXFORMAT_ARGB8888, 0 },
_COLOR(RGB565),
_COLOR_REV(RGB565),
_ALPHA(ARGB4444),
@@ -160,30 +159,23 @@ static void r200SetTexImages( r200ContextPtr rmesa,
GLint i, texelBytes;
GLint numLevels;
GLint log2Width, log2Height, log2Depth;
- const GLuint ui = 1;
- const GLubyte littleEndian = *((const GLubyte *) &ui);
/* Set the hardware texture format
*/
+ if ( !t->image_override ) {
+ if ( VALID_FORMAT( baseImage->TexFormat->MesaFormat ) ) {
+ t->pp_txformat &= ~(R200_TXFORMAT_FORMAT_MASK |
+ R200_TXFORMAT_ALPHA_IN_MAP);
+ t->pp_txfilter &= ~R200_YUV_TO_RGB;
- t->pp_txformat &= ~(R200_TXFORMAT_FORMAT_MASK |
- R200_TXFORMAT_ALPHA_IN_MAP);
- t->pp_txfilter &= ~R200_YUV_TO_RGB;
-
- if ( VALID_FORMAT( baseImage->TexFormat->MesaFormat ) ) {
- if (littleEndian) {
t->pp_txformat |= tx_table_le[ baseImage->TexFormat->MesaFormat ].format;
t->pp_txfilter |= tx_table_le[ baseImage->TexFormat->MesaFormat ].filter;
}
else {
- t->pp_txformat |= tx_table_be[ baseImage->TexFormat->MesaFormat ].format;
- t->pp_txfilter |= tx_table_be[ baseImage->TexFormat->MesaFormat ].filter;
+ _mesa_problem(NULL, "unexpected texture format in %s", __FUNCTION__);
+ return;
}
}
- else {
- _mesa_problem(NULL, "unexpected texture format in %s", __FUNCTION__);
- return;
- }
texelBytes = baseImage->TexFormat->TexelBytes;
@@ -380,11 +372,13 @@ static void r200SetTexImages( r200ContextPtr rmesa,
* requires 64-byte aligned pitches, and we may/may not need the
* blitter. NPOT only!
*/
- if (baseImage->IsCompressed)
- t->pp_txpitch = (tObj->Image[0][t->base.firstLevel]->Width + 63) & ~(63);
- else
- t->pp_txpitch = ((tObj->Image[0][t->base.firstLevel]->Width * texelBytes) + 63) & ~(63);
- t->pp_txpitch -= 32;
+ if ( !t->image_override ) {
+ if (baseImage->IsCompressed)
+ t->pp_txpitch = (tObj->Image[0][t->base.firstLevel]->Width + 63) & ~(63);
+ else
+ t->pp_txpitch = ((tObj->Image[0][t->base.firstLevel]->Width * texelBytes) + 63) & ~(63);
+ t->pp_txpitch -= 32;
+ }
t->dirty_state = TEX_ALL;
@@ -979,6 +973,46 @@ static GLboolean r200UpdateTextureEnv( GLcontext *ctx, int unit, int slot, GLuin
return GL_TRUE;
}
+void r200SetTexOffset(__DRIcontext * pDRICtx, GLint texname,
+ unsigned long long offset, GLint depth, GLuint pitch)
+{
+ r200ContextPtr rmesa =
+ (r200ContextPtr) ((__DRIcontextPrivate *) pDRICtx->private)->
+ driverPrivate;
+ struct gl_texture_object *tObj =
+ _mesa_lookup_texture(rmesa->glCtx, texname);
+ r200TexObjPtr t;
+
+ if (!tObj)
+ return;
+
+ t = (r200TexObjPtr) tObj->DriverData;
+
+ t->image_override = GL_TRUE;
+
+ if (!offset)
+ return;
+
+ t->pp_txoffset = offset;
+ t->pp_txpitch = pitch - 32;
+
+ switch (depth) {
+ case 32:
+ t->pp_txformat = tx_table_le[2].format;
+ t->pp_txfilter |= tx_table_le[2].filter;
+ break;
+ case 24:
+ default:
+ t->pp_txformat = tx_table_le[4].format;
+ t->pp_txfilter |= tx_table_le[4].filter;
+ break;
+ case 16:
+ t->pp_txformat = tx_table_le[5].format;
+ t->pp_txfilter |= tx_table_le[5].filter;
+ break;
+ }
+}
+
#define REF_COLOR 1
#define REF_ALPHA 2
@@ -1560,7 +1594,7 @@ static GLboolean enable_tex_2d( GLcontext *ctx, int unit )
R200_FIREVERTICES( rmesa );
r200SetTexImages( rmesa, tObj );
r200UploadTexImages( rmesa, (r200TexObjPtr) tObj->DriverData, 0 );
- if ( !t->base.memBlock )
+ if ( !t->base.memBlock && !t->image_override )
return GL_FALSE;
}
@@ -1668,7 +1702,9 @@ static GLboolean enable_tex_rect( GLcontext *ctx, int unit )
R200_FIREVERTICES( rmesa );
r200SetTexImages( rmesa, tObj );
r200UploadTexImages( rmesa, (r200TexObjPtr) tObj->DriverData, 0 );
- if ( !t->base.memBlock && !rmesa->prefer_gart_client_texturing )
+ if ( !t->base.memBlock &&
+ !t->image_override &&
+ !rmesa->prefer_gart_client_texturing )
return GL_FALSE;
}