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mesa: implement texstore for DEPTH_COMPONENT32F

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Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Marek Olšák 2011-06-21 13:36:27 +02:00
parent bfb63b7d62
commit bc878c7f8b
1 changed files with 7 additions and 5 deletions
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12
src/mesa/main/texstore.c
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@ -1002,15 +1002,17 @@ memcpy_texture(struct gl_context *ctx,
/**
* Store a 32-bit integer depth component texture image.
* Store a 32-bit integer or float depth component texture image.
*/
static GLboolean
_mesa_texstore_z32(TEXSTORE_PARAMS)
{
const GLuint depthScale = 0xffffffff;
const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
const GLenum dstType = _mesa_get_format_datatype(dstFormat);
(void) dims;
ASSERT(dstFormat == MESA_FORMAT_Z32);
ASSERT(dstFormat == MESA_FORMAT_Z32 ||
dstFormat == MESA_FORMAT_Z32_FLOAT);
ASSERT(texelBytes == sizeof(GLuint));
if (ctx->Pixel.DepthScale == 1.0f &&
@ -1018,7 +1020,7 @@ _mesa_texstore_z32(TEXSTORE_PARAMS)
!srcPacking->SwapBytes &&
baseInternalFormat == GL_DEPTH_COMPONENT &&
srcFormat == GL_DEPTH_COMPONENT &&
srcType == GL_UNSIGNED_INT) {
srcType == dstType) {
/* simple memcpy path */
memcpy_texture(ctx, dims,
dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
@ -1039,7 +1041,7 @@ _mesa_texstore_z32(TEXSTORE_PARAMS)
const GLvoid *src = _mesa_image_address(dims, srcPacking,
srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
_mesa_unpack_depth_span(ctx, srcWidth,
GL_UNSIGNED_INT, (GLuint *) dstRow,
dstType, dstRow,
depthScale, srcType, src, srcPacking);
dstRow += dstRowStride;
}
@ -4420,7 +4422,7 @@ texstore_funcs[MESA_FORMAT_COUNT] =
{ MESA_FORMAT_RGB9_E5_FLOAT, _mesa_texstore_rgb9_e5 },
{ MESA_FORMAT_R11_G11_B10_FLOAT, _mesa_texstore_r11_g11_b10f },
{ MESA_FORMAT_Z32_FLOAT, NULL /* XXX */ },
{ MESA_FORMAT_Z32_FLOAT, _mesa_texstore_z32 },
{ MESA_FORMAT_Z32_FLOAT_X24S8, /* XXX */ },
};