Merge branch 'texformat-rework'

Conflicts:
	src/mesa/drivers/dri/radeon/radeon_fbo.c
	src/mesa/drivers/dri/s3v/s3v_tex.c
	src/mesa/drivers/dri/s3v/s3v_xmesa.c
	src/mesa/drivers/dri/trident/trident_context.c
	src/mesa/main/debug.c
	src/mesa/main/mipmap.c
	src/mesa/main/texformat.c
	src/mesa/main/texgetimage.c

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 00000000000..517f5e5ca70
--- /dev/null
+++ b/src/mesa/drivers/dri/s3v/s3v_tex.c
@@ -0,0 +1,544 @@
+/*
+ * Author: Max Lingua <[email protected]>
+ */
+
+#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 );
+}