summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/s3v/s3v_tex.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/s3v/s3v_tex.c')
-rw-r--r--src/mesa/drivers/dri/s3v/s3v_tex.c544
1 files changed, 544 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/s3v/s3v_tex.c b/src/mesa/drivers/dri/s3v/s3v_tex.c
new file mode 100644
index 0000000000..517f5e5ca7
--- /dev/null
+++ b/src/mesa/drivers/dri/s3v/s3v_tex.c
@@ -0,0 +1,544 @@
+/*
+ * Author: Max Lingua <sunmax@libero.it>
+ */
+
+#include "main/glheader.h"
+#include "main/mtypes.h"
+#include "main/simple_list.h"
+#include "main/enums.h"
+#include "main/mm.h"
+#include "main/texstore.h"
+#include "main/teximage.h"
+#include "swrast/swrast.h"
+
+#include "s3v_context.h"
+#include "s3v_tex.h"
+
+
+extern void s3vSwapOutTexObj(s3vContextPtr vmesa, s3vTextureObjectPtr t);
+extern void s3vDestroyTexObj(s3vContextPtr vmesa, s3vTextureObjectPtr t);
+
+/*
+static GLuint s3vComputeLodBias(GLfloat bias)
+{
+#if TEX_DEBUG_ON
+ DEBUG_TEX(("*** s3vComputeLodBias ***\n"));
+#endif
+ return bias;
+}
+*/
+
+static void s3vSetTexWrapping(s3vContextPtr vmesa,
+ s3vTextureObjectPtr t,
+ GLenum wraps, GLenum wrapt)
+{
+ GLuint t0 = t->TextureCMD;
+ GLuint cmd = vmesa->CMD;
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vSetTexWrapping: #%i ***\n", ++times));
+#endif
+
+
+ t0 &= ~TEX_WRAP_MASK;
+ cmd &= ~TEX_WRAP_MASK;
+
+ if ((wraps != GL_CLAMP) || (wrapt != GL_CLAMP)) {
+ DEBUG(("TEX_WRAP_ON\n"));
+ t0 |= TEX_WRAP_ON;
+ cmd |= TEX_WRAP_ON;
+ }
+
+ cmd |= TEX_WRAP_ON; /* FIXME: broken if off */
+ t->TextureCMD = t0;
+ vmesa->CMD = cmd;
+}
+
+
+static void s3vSetTexFilter(s3vContextPtr vmesa,
+ s3vTextureObjectPtr t,
+ GLenum minf, GLenum magf)
+{
+ GLuint t0 = t->TextureCMD;
+ GLuint cmd = vmesa->CMD;
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vSetTexFilter: #%i ***\n", ++times));
+#endif
+
+ t0 &= ~TEX_FILTER_MASK;
+ cmd &= ~TEX_FILTER_MASK;
+
+ switch (minf) {
+ case GL_NEAREST:
+ DEBUG(("GL_NEAREST\n"));
+ t0 |= NEAREST;
+ cmd |= NEAREST;
+ break;
+ case GL_LINEAR:
+ DEBUG(("GL_LINEAR\n"));
+ t0 |= LINEAR;
+ cmd |= LINEAR;
+ break;
+ case GL_NEAREST_MIPMAP_NEAREST:
+ DEBUG(("GL_MIPMAP_NEAREST\n"));
+ t0 |= MIP_NEAREST;
+ cmd |= MIP_NEAREST;
+ break;
+ case GL_LINEAR_MIPMAP_NEAREST:
+ DEBUG(("GL_LINEAR_MIPMAP_NEAREST\n"));
+ t0 |= LINEAR_MIP_NEAREST;
+ cmd |= LINEAR_MIP_NEAREST;
+ break;
+ case GL_NEAREST_MIPMAP_LINEAR:
+ DEBUG(("GL_NEAREST_MIPMAP_LINEAR\n"));
+ t0 |= MIP_LINEAR;
+ cmd |= MIP_LINEAR;
+ break;
+ case GL_LINEAR_MIPMAP_LINEAR:
+ DEBUG(("GL_LINEAR_MIPMAP_LINEAR\n"));
+ t0 |= LINEAR_MIP_LINEAR;
+ cmd |= LINEAR_MIP_LINEAR;
+ break;
+ default:
+ break;
+ }
+ /* FIXME: bilinear? */
+
+#if 0
+ switch (magf) {
+ case GL_NEAREST:
+ break;
+ case GL_LINEAR:
+ break;
+ default:
+ break;
+ }
+#endif
+
+ t->TextureCMD = t0;
+
+ DEBUG(("CMD was = 0x%x\n", vmesa->CMD));
+ DEBUG(("CMD is = 0x%x\n", cmd));
+
+ vmesa->CMD = cmd;
+ /* CMDCHANGE(); */
+}
+
+
+static void s3vSetTexBorderColor(s3vContextPtr vmesa,
+ s3vTextureObjectPtr t,
+ const GLfloat color[4])
+{
+ GLubyte c[4];
+ CLAMPED_FLOAT_TO_UBYTE(c[0], color[0]);
+ CLAMPED_FLOAT_TO_UBYTE(c[1], color[1]);
+ CLAMPED_FLOAT_TO_UBYTE(c[2], color[2]);
+ CLAMPED_FLOAT_TO_UBYTE(c[3], color[3]);
+
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vSetTexBorderColor: #%i ***\n", ++times));
+#endif
+
+ /*FIXME: it should depend on tex col format */
+ /* switch(t0 ... t->TextureColorMode) */
+
+ /* case TEX_COL_ARGB1555: */
+ t->TextureBorderColor = S3VIRGEPACKCOLOR555(c[0], c[1], c[2], c[3]);
+
+ DEBUG(("TextureBorderColor = 0x%x\n", t->TextureBorderColor));
+
+ vmesa->TextureBorderColor = t->TextureBorderColor;
+}
+
+static void s3vTexParameter( GLcontext *ctx, GLenum target,
+ struct gl_texture_object *tObj,
+ GLenum pname, const GLfloat *params )
+{
+ s3vContextPtr vmesa = S3V_CONTEXT(ctx);
+ s3vTextureObjectPtr t = (s3vTextureObjectPtr) tObj->DriverData;
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vTexParameter: #%i ***\n", ++times));
+#endif
+
+ if (!t) return;
+
+ /* Can't do the update now as we don't know whether to flush
+ * vertices or not. Setting vmesa->new_state means that
+ * s3vUpdateTextureState() will be called before any triangles are
+ * rendered. If a statechange has occurred, it will be detected at
+ * that point, and buffered vertices flushed.
+ */
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ case GL_TEXTURE_MAG_FILTER:
+ s3vSetTexFilter( vmesa, t, tObj->MinFilter, tObj->MagFilter );
+ break;
+
+ case GL_TEXTURE_WRAP_S:
+ case GL_TEXTURE_WRAP_T:
+ s3vSetTexWrapping( vmesa, t, tObj->WrapS, tObj->WrapT );
+ break;
+
+ case GL_TEXTURE_BORDER_COLOR:
+ s3vSetTexBorderColor( vmesa, t, tObj->BorderColor );
+ break;
+
+ case GL_TEXTURE_BASE_LEVEL:
+ case GL_TEXTURE_MAX_LEVEL:
+ case GL_TEXTURE_MIN_LOD:
+ case GL_TEXTURE_MAX_LOD:
+ /* This isn't the most efficient solution but there doesn't appear to
+ * be a nice alternative for Virge. Since there's no LOD clamping,
+ * we just have to rely on loading the right subset of mipmap levels
+ * to simulate a clamped LOD.
+ */
+ s3vSwapOutTexObj( vmesa, t );
+ break;
+
+ default:
+ return;
+ }
+
+ if (t == vmesa->CurrentTexObj[0])
+ vmesa->dirty |= S3V_UPLOAD_TEX0;
+
+#if 0
+ if (t == vmesa->CurrentTexObj[1]) {
+ vmesa->dirty |= S3V_UPLOAD_TEX1;
+ }
+#endif
+}
+
+
+static void s3vTexEnv( GLcontext *ctx, GLenum target,
+ GLenum pname, const GLfloat *param )
+{
+ s3vContextPtr vmesa = S3V_CONTEXT( ctx );
+ GLuint unit = ctx->Texture.CurrentUnit;
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vTexEnv: #%i ***\n", ++times));
+#endif
+
+ /* 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));
+
+ break;
+ }
+ case GL_TEXTURE_ENV_MODE:
+ vmesa->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;
+
+ s3vTextureObjectPtr t = (s3vTextureObjectPtr) tObj->DriverData;
+*/
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+static void s3vTexImage1D( GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLenum format, GLenum type,
+ const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *pack,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ s3vContextPtr vmesa = S3V_CONTEXT( ctx );
+ s3vTextureObjectPtr t = (s3vTextureObjectPtr) texObj->DriverData;
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vTexImage1D: #%i ***\n", ++times));
+#endif
+
+#if 1
+ if (t) {
+#if _TEXFLUSH
+ DMAFLUSH();
+#endif
+ s3vSwapOutTexObj( vmesa, t );
+/*
+ s3vDestroyTexObj( vmesa, t );
+ texObj->DriverData = 0;
+*/
+ }
+#endif
+ _mesa_store_teximage1d( ctx, target, level, internalFormat,
+ width, border, format, type,
+ pixels, pack, texObj, texImage );
+}
+
+static void s3vTexSubImage1D( GLcontext *ctx,
+ GLenum target,
+ GLint level,
+ GLint xoffset,
+ GLsizei width,
+ GLenum format, GLenum type,
+ const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *pack,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ s3vContextPtr vmesa = S3V_CONTEXT( ctx );
+ s3vTextureObjectPtr t = (s3vTextureObjectPtr) texObj->DriverData;
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vTexSubImage1D: #%i ***\n", ++times));
+#endif
+
+#if 1
+ if (t) {
+#if _TEXFLUSH
+ DMAFLUSH();
+#endif
+ s3vSwapOutTexObj( vmesa, t );
+/*
+ s3vDestroyTexObj( vmesa, t );
+ texObj->DriverData = 0;
+*/
+ }
+#endif
+ _mesa_store_texsubimage1d(ctx, target, level, xoffset, width,
+ format, type, pixels, pack, texObj,
+ texImage);
+}
+
+static void s3vTexImage2D( GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ s3vContextPtr vmesa = S3V_CONTEXT( ctx );
+ s3vTextureObjectPtr t = (s3vTextureObjectPtr) texObj->DriverData;
+
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vTexImage2D: #%i ***\n", ++times));
+#endif
+
+#if 1
+ if (t) {
+#if _TEXFLUSH
+ DMAFLUSH();
+#endif
+ s3vSwapOutTexObj( vmesa, t );
+/*
+ s3vDestroyTexObj( vmesa, t );
+ texObj->DriverData = 0;
+*/
+ }
+#endif
+ _mesa_store_teximage2d( ctx, target, level, internalFormat,
+ width, height, border, format, type,
+ pixels, packing, texObj, texImage );
+}
+
+static void s3vTexSubImage2D( GLcontext *ctx,
+ GLenum target,
+ GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ s3vContextPtr vmesa = S3V_CONTEXT( ctx );
+ s3vTextureObjectPtr t = (s3vTextureObjectPtr) texObj->DriverData;
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vTexSubImage2D: #%i ***\n", ++times));
+#endif
+
+#if 1
+ if (t) {
+#if _TEXFLUSH
+ DMAFLUSH();
+#endif
+ s3vSwapOutTexObj( vmesa, t );
+/*
+ s3vDestroyTexObj( vmesa, t );
+ texObj->DriverData = 0;
+*/
+ }
+#endif
+ _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
+ height, format, type, pixels, packing, texObj,
+ texImage);
+}
+
+
+static void s3vBindTexture( GLcontext *ctx, GLenum target,
+ struct gl_texture_object *tObj )
+{
+ s3vContextPtr vmesa = S3V_CONTEXT( ctx );
+ s3vTextureObjectPtr t = (s3vTextureObjectPtr) tObj->DriverData;
+ GLuint cmd = vmesa->CMD;
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vBindTexture: #%i ***\n", ++times));
+#endif
+
+ if (!t) {
+/*
+ GLfloat bias = ctx->Texture.Unit[ctx->Texture.CurrentUnit].LodBias;
+*/
+ t = CALLOC_STRUCT(s3v_texture_object_t);
+
+ /* Initialize non-image-dependent parts of the state:
+ */
+ t->globj = tObj;
+#if 0
+ if (target == GL_TEXTURE_2D) {
+ } else
+ if (target == GL_TEXTURE_1D) {
+ }
+
+#if X_BYTE_ORDER == X_LITTLE_ENDIAN
+ t->TextureFormat = (TF_LittleEndian |
+#else
+ t->TextureFormat = (TF_BigEndian |
+#endif
+#endif
+ t->dirty_images = ~0;
+
+ tObj->DriverData = t;
+ make_empty_list( t );
+#if 0
+ s3vSetTexWrapping( vmesa, t, tObj->WrapS, tObj->WrapT );
+ s3vSetTexFilter( vmesa, t, tObj->MinFilter, tObj->MagFilter );
+ s3vSetTexBorderColor( vmesa, t, tObj->BorderColor );
+#endif
+ }
+
+ cmd = vmesa->CMD & ~MIP_MASK;
+ vmesa->dirty |= S3V_UPLOAD_TEX0;
+ vmesa->TexOffset = t->TextureBaseAddr[tObj->BaseLevel];
+ vmesa->TexStride = t->Pitch;
+ cmd |= MIPMAP_LEVEL(t->WidthLog2);
+ vmesa->CMD = cmd;
+ vmesa->restore_primitive = -1;
+#if 0
+ printf("t->TextureBaseAddr[0] = 0x%x\n", t->TextureBaseAddr[0]);
+ printf("t->TextureBaseAddr[1] = 0x%x\n", t->TextureBaseAddr[1]);
+ printf("t->TextureBaseAddr[2] = 0x%x\n", t->TextureBaseAddr[2]);
+#endif
+}
+
+
+static void s3vDeleteTexture( GLcontext *ctx, struct gl_texture_object *tObj )
+{
+ s3vTextureObjectPtr t = (s3vTextureObjectPtr)tObj->DriverData;
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vDeleteTexture: #%i ***\n", ++times));
+#endif
+
+ if (t) {
+ s3vContextPtr vmesa = S3V_CONTEXT( ctx );
+
+#if _TEXFLUSH
+ if (vmesa) {
+ DMAFLUSH();
+ }
+#endif
+
+ s3vDestroyTexObj( vmesa, t );
+ tObj->DriverData = 0;
+
+ }
+}
+
+static GLboolean s3vIsTextureResident( GLcontext *ctx,
+ struct gl_texture_object *tObj )
+{
+ s3vTextureObjectPtr t = (s3vTextureObjectPtr)tObj->DriverData;
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vIsTextureResident: #%i ***\n", ++times));
+#endif
+
+ return (t && t->MemBlock);
+}
+
+static void s3vInitTextureObjects( GLcontext *ctx )
+{
+ /* s3vContextPtr vmesa = S3V_CONTEXT(ctx); */
+ struct gl_texture_object *texObj;
+ GLuint tmp = ctx->Texture.CurrentUnit;
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vInitTextureObjects: #%i ***\n", ++times));
+#endif
+
+#if 1
+ ctx->Texture.CurrentUnit = 0;
+
+ texObj = ctx->Texture.Unit[0].CurrentTex[TEXTURE_1D_INDEX];
+ s3vBindTexture( ctx, GL_TEXTURE_1D, texObj );
+
+ texObj = ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX];
+ s3vBindTexture( ctx, GL_TEXTURE_2D, texObj );
+#endif
+
+#if 0
+ ctx->Texture.CurrentUnit = 1;
+
+ texObj = ctx->Texture.Unit[1].CurrentTex[TEXTURE_1D_INDEX];
+ s3vBindTexture( ctx, GL_TEXTURE_1D, texObj );
+
+ texObj = ctx->Texture.Unit[1].CurrentTex[TEXTURE_2D_INDEX];
+ s3vBindTexture( ctx, GL_TEXTURE_2D, texObj );
+#endif
+
+ ctx->Texture.CurrentUnit = tmp;
+}
+
+
+void s3vInitTextureFuncs( GLcontext *ctx )
+{
+#if TEX_DEBUG_ON
+ static unsigned int times=0;
+ DEBUG_TEX(("*** s3vInitTextureFuncs: #%i ***\n", ++times));
+#endif
+
+ ctx->Driver.TexEnv = s3vTexEnv;
+ ctx->Driver.TexImage2D = s3vTexImage2D;
+ ctx->Driver.TexSubImage2D = s3vTexSubImage2D;
+ ctx->Driver.BindTexture = s3vBindTexture;
+ ctx->Driver.DeleteTexture = s3vDeleteTexture;
+ ctx->Driver.TexParameter = s3vTexParameter;
+ ctx->Driver.UpdateTexturePalette = 0;
+ ctx->Driver.IsTextureResident = s3vIsTextureResident;
+
+ s3vInitTextureObjects( ctx );
+}