-/* $Id: texstore.c,v 1.54 2003/03/04 19:16:23 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 5.1
+ * Version: 6.1
*
- * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* apply pixel transfer ops into a temporary image buffer. Then,
* convert the temporary image into the special hardware format.
*
- * Input:
+ * \param
* dimensions - 1, 2, or 3
* texDestFormat - GL_LUMINANCE, GL_INTENSITY, GL_LUMINANCE_ALPHA, GL_ALPHA,
* GL_RGB or GL_RGBA (the destination format)
texDestFormat == GL_COLOR_INDEX ||
texDestFormat == GL_DEPTH_COMPONENT);
ASSERT(texDestAddr);
- ASSERT(srcWidth >= 1);
- ASSERT(srcHeight >= 1);
- ASSERT(srcDepth >= 1);
+ ASSERT(srcWidth >= 0);
+ ASSERT(srcHeight >= 0);
+ ASSERT(srcDepth >= 0);
ASSERT(dstXoffset >= 0);
ASSERT(dstYoffset >= 0);
ASSERT(dstZoffset >= 0);
* Transfer a texture image from user space to <destAddr> applying all
* needed image transfer operations and storing the result in the format
* specified by <dstFormat>. <dstFormat> may be any format from texformat.h.
- * Input:
+ * \param
* dimensions - 1, 2 or 3
* baseInternalFormat - base format of the internal texture format
* specified by the user. This is very important, see below.
* dstX/Y/Zoffset - as specified by glTexSubImage
* dstRowStride - stride between dest rows in bytes
* dstImageStride - stride between dest images in bytes
- * srcFormat, srcType - incoming image format and datatype
+ * srcFormat, srcType - incoming image format and data type
* srcAddr - source image address
* srcPacking - packing params of source image
*
baseInternalFormat == GL_ALPHA ||
baseInternalFormat == GL_RGB ||
baseInternalFormat == GL_RGBA ||
+ baseInternalFormat == GL_YCBCR_MESA ||
+ baseInternalFormat == GL_COLOR_INDEX ||
baseInternalFormat == GL_DEPTH_COMPONENT);
if (transferOps & IMAGE_CONVOLUTION_BIT) {
srcPacking, srcAddr,
dstAddr);
assert(b);
+ (void) b;
}
else if (dimensions == 2) {
GLboolean b;
srcPacking, srcAddr,
dstAddr);
assert(b);
+ (void) b;
}
else {
GLboolean b;
srcFormat, srcType,
srcPacking, srcAddr, dstAddr);
assert(b);
+ (void) b;
}
}
else {
texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
internalFormat, format, type);
assert(texImage->TexFormat);
- texImage->FetchTexel = texImage->TexFormat->FetchTexel1D;
+ texImage->FetchTexelc = texImage->TexFormat->FetchTexel1D;
+ texImage->FetchTexelf = texImage->TexFormat->FetchTexel1Df;
texelBytes = texImage->TexFormat->TexelBytes;
texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
internalFormat, format, type);
assert(texImage->TexFormat);
- texImage->FetchTexel = texImage->TexFormat->FetchTexel2D;
+ texImage->FetchTexelc = texImage->TexFormat->FetchTexel2D;
+ texImage->FetchTexelf = texImage->TexFormat->FetchTexel2Df;
texelBytes = texImage->TexFormat->TexelBytes;
texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
internalFormat, format, type);
assert(texImage->TexFormat);
- texImage->FetchTexel = texImage->TexFormat->FetchTexel3D;
+ texImage->FetchTexelc = texImage->TexFormat->FetchTexel3D;
+ texImage->FetchTexelf = texImage->TexFormat->FetchTexel3Df;
texelBytes = texImage->TexFormat->TexelBytes;
texImage->Format,
texImage->TexFormat, texImage->Data,
width, height, depth, /* src size */
- xoffset, yoffset, xoffset, /* dest offsets */
+ xoffset, yoffset, zoffset, /* dest offsets */
texImage->Width * texelBytes, /* dst row stride */
texImage->Width * texImage->Height * texelBytes,
format, type, pixels, packing);
texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
internalFormat, 0, 0);
assert(texImage->TexFormat);
- texImage->FetchTexel = texImage->TexFormat->FetchTexel2D;
+ texImage->FetchTexelc = texImage->TexFormat->FetchTexel2D;
+ texImage->FetchTexelf = texImage->TexFormat->FetchTexel2Df;
/* allocate storage */
texImage->Data = MESA_PBUFFER_ALLOC(imageSize);
}
-
-
-
-/*
- * This is the fallback for Driver.TestProxyTexImage().
- */
-GLboolean
-_mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level,
- GLint internalFormat, GLenum format, GLenum type,
- GLint width, GLint height, GLint depth, GLint border)
-{
- struct gl_texture_unit *texUnit;
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
-
- (void) format;
- (void) type;
-
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
- texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
-
- /* We always pass.
- * The core Mesa code will have already tested the image size, etc.
- * If a driver has more stringent texture limits to enforce it will
- * have to override this function.
- */
- /* choose the texture format */
- assert(ctx->Driver.ChooseTextureFormat);
- texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
- internalFormat, format, type);
- assert(texImage->TexFormat);
-
- return GL_TRUE;
-}
-
-
-
/*
* Average together two rows of a source image to produce a single new
* row in the dest image. It's legal for the two source rows to point
const GLuint k0 = (srcWidth == dstWidth) ? 0 : 1;
const GLuint colStride = (srcWidth == dstWidth) ? 1 : 2;
+ /* This assertion is no longer valid with non-power-of-2 textures
assert(srcWidth == dstWidth || srcWidth == 2 * dstWidth);
+ */
switch (format->MesaFormat) {
case MESA_FORMAT_RGBA:
const GLint rowAb1 = (rowA[k] >> 11) & 0x1f;
const GLint rowBb0 = (rowB[j] >> 11) & 0x1f;
const GLint rowBb1 = (rowB[k] >> 11) & 0x1f;
- const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 4;
- const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 4;
- const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 4;
+ const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
+ const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
+ const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
dst[i] = (blue << 11) | (green << 5) | red;
}
}
const GLint rowAa1 = (rowA[k] >> 12) & 0xf;
const GLint rowBa0 = (rowB[j] >> 12) & 0xf;
const GLint rowBa1 = (rowB[k] >> 12) & 0xf;
- const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 4;
- const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 4;
- const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 4;
- const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 4;
+ const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
+ const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
+ const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
+ const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2;
dst[i] = (alpha << 12) | (blue << 8) | (green << 4) | red;
}
}
const GLint rowAa1 = (rowA[k] >> 15) & 0x1;
const GLint rowBa0 = (rowB[j] >> 15) & 0x1;
const GLint rowBa1 = (rowB[k] >> 15) & 0x1;
- const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 4;
- const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 4;
- const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 4;
- const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 4;
+ const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
+ const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
+ const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
+ const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2;
dst[i] = (alpha << 15) | (blue << 10) | (green << 5) | red;
}
}
const GLint rowAb1 = (rowA[k] >> 5) & 0x7;
const GLint rowBb0 = (rowB[j] >> 5) & 0x7;
const GLint rowBb1 = (rowB[k] >> 5) & 0x7;
- const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 4;
- const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 4;
- const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 4;
+ const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
+ const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
+ const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
dst[i] = (blue << 5) | (green << 2) | red;
}
}
GLint level, maxLevels;
ASSERT(texObj);
- srcImage = texObj->Image[texObj->BaseLevel];
+ srcImage = texObj->Image[0][texObj->BaseLevel];
ASSERT(srcImage);
maxLevels = _mesa_max_texture_levels(ctx, texObj->Target);
for (row = 0; row < srcImage->Height; row++) {
GLuint col;
for (col = 0; col < srcImage->Width; col++) {
- (*srcImage->FetchTexel)(srcImage, col, row, 0, (GLvoid *) dst);
+ srcImage->FetchTexelc(srcImage, col, row, 0, dst);
dst += components;
}
}
}
/* get dest gl_texture_image */
- dstImage = _mesa_select_tex_image(ctx, texUnit, target, level+1);
+ dstImage = _mesa_get_tex_image(ctx, texUnit, target, level + 1);
if (!dstImage) {
- dstImage = _mesa_alloc_texture_image();
- if (!dstImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps");
- return;
- }
- _mesa_set_tex_image(texObj, target, level + 1, dstImage);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps");
+ return;
}
/* Free old image data */
dstDepth, border, srcImage->IntFormat);
dstImage->DriverData = NULL;
dstImage->TexFormat = srcImage->TexFormat;
- dstImage->FetchTexel = srcImage->FetchTexel;
+ dstImage->FetchTexelc = srcImage->FetchTexelc;
+ dstImage->FetchTexelf = srcImage->FetchTexelf;
ASSERT(dstImage->TexFormat);
- ASSERT(dstImage->FetchTexel);
+ ASSERT(dstImage->FetchTexelc);
+ ASSERT(dstImage->FetchTexelf);
/* Alloc new teximage data buffer.
* Setup src and dest data pointers.