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-rw-r--r--src/mesa/main/texformat.c24
-rw-r--r--src/mesa/main/texformat.h2
-rw-r--r--src/mesa/main/texformat_tmp.h26
-rw-r--r--src/mesa/main/texstore.c81
-rw-r--r--src/mesa/main/texstore.h1
5 files changed, 134 insertions, 0 deletions
diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index acc268e622d..a32ad6380c4 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -1207,6 +1207,30 @@ const struct gl_texture_format _mesa_texformat_z24_s8 = {
store_texel_z24_s8 /* StoreTexel */
};
+const struct gl_texture_format _mesa_texformat_s8_z24 = {
+ MESA_FORMAT_S8_Z24, /* MesaFormat */
+ GL_DEPTH_STENCIL_EXT, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 0, /* RedBits */
+ 0, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 24, /* DepthBits */
+ 8, /* StencilBits */
+ 4, /* TexelBytes */
+ _mesa_texstore_s8_z24, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_f_s8_z24, /* FetchTexel1Df */
+ fetch_texel_2d_f_s8_z24, /* FetchTexel2Df */
+ fetch_texel_3d_f_s8_z24, /* FetchTexel3Df */
+ store_texel_s8_z24 /* StoreTexel */
+};
+
const struct gl_texture_format _mesa_texformat_z16 = {
MESA_FORMAT_Z16, /* MesaFormat */
GL_DEPTH_COMPONENT, /* BaseFormat */
diff --git a/src/mesa/main/texformat.h b/src/mesa/main/texformat.h
index 82023b946d5..f5f851ca212 100644
--- a/src/mesa/main/texformat.h
+++ b/src/mesa/main/texformat.h
@@ -84,6 +84,7 @@ enum _format {
MESA_FORMAT_YCBCR, /* YYYY YYYY UorV UorV */
MESA_FORMAT_YCBCR_REV, /* UorV UorV YYYY YYYY */
MESA_FORMAT_Z24_S8, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ SSSS SSSS */
+ MESA_FORMAT_S8_Z24, /* SSSS SSSS ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
MESA_FORMAT_Z16, /* ZZZZ ZZZZ ZZZZ ZZZZ */
MESA_FORMAT_Z32, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
/*@}*/
@@ -211,6 +212,7 @@ extern const struct gl_texture_format _mesa_texformat_l8;
extern const struct gl_texture_format _mesa_texformat_i8;
extern const struct gl_texture_format _mesa_texformat_ci8;
extern const struct gl_texture_format _mesa_texformat_z24_s8;
+extern const struct gl_texture_format _mesa_texformat_s8_z24;
extern const struct gl_texture_format _mesa_texformat_z16;
extern const struct gl_texture_format _mesa_texformat_z32;
/*@}*/
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h
index 99785da1a0a..63939f40111 100644
--- a/src/mesa/main/texformat_tmp.h
+++ b/src/mesa/main/texformat_tmp.h
@@ -1363,6 +1363,32 @@ static void store_texel_z24_s8(struct gl_texture_image *texImage,
#endif
+/* MESA_TEXFORMAT_S8_Z24 ***************************************************/
+
+static void FETCH(f_s8_z24)( const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ /* only return Z, not stencil data */
+ const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+ const GLfloat scale = 1.0F / (GLfloat) 0xffffff;
+ texel[0] = ((*src) & 0x00ffffff) * scale;
+ ASSERT(texImage->TexFormat->MesaFormat == MESA_FORMAT_S8_Z24);
+ ASSERT(texel[0] >= 0.0F);
+ ASSERT(texel[0] <= 1.0F);
+}
+
+#if DIM == 3
+static void store_texel_s8_z24(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ /* only store Z, not stencil */
+ GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+ GLfloat depth = *((GLfloat *) texel);
+ GLuint zi = (GLuint) (depth * 0xffffff);
+ *dst = zi | (*dst & 0xff000000);
+}
+#endif
+
#undef TEXEL_ADDR
#undef DIM
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 25381e32dc7..1efaf97fb69 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -2445,6 +2445,87 @@ _mesa_texstore_z24_s8(TEXSTORE_PARAMS)
}
+/**
+ * Store a combined depth/stencil texture image.
+ */
+GLboolean
+_mesa_texstore_s8_z24(TEXSTORE_PARAMS)
+{
+ const GLuint depthScale = 0xffffff;
+ const GLint srcRowStride
+ = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
+ / sizeof(GLuint);
+ GLint img, row;
+
+ ASSERT(dstFormat == &_mesa_texformat_s8_z24);
+ ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT);
+ ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT);
+
+ /* Incase we only upload depth we need to preserve the stencil */
+ if (srcFormat == GL_DEPTH_COMPONENT) {
+ for (img = 0; img < srcDepth; img++) {
+ GLuint *dstRow = (GLuint *) dstAddr
+ + dstImageOffsets[dstZoffset + img]
+ + dstYoffset * dstRowStride / sizeof(GLuint)
+ + dstXoffset;
+ const GLuint *src
+ = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
+ srcWidth, srcHeight,
+ srcFormat, srcType,
+ img, 0, 0);
+ for (row = 0; row < srcHeight; row++) {
+ GLuint depth[MAX_WIDTH];
+ GLint i;
+ _mesa_unpack_depth_span(ctx, srcWidth,
+ GL_UNSIGNED_INT, /* dst type */
+ depth, /* dst addr */
+ depthScale,
+ srcType, src, srcPacking);
+
+ for (i = 0; i < srcWidth; i++)
+ dstRow[i] = depth[i] | (dstRow[i] & 0xFF000000);
+
+ src += srcRowStride;
+ dstRow += dstRowStride / sizeof(GLuint);
+ }
+ }
+ } else {
+ for (img = 0; img < srcDepth; img++) {
+ GLuint *dstRow = (GLuint *) dstAddr
+ + dstImageOffsets[dstZoffset + img]
+ + dstYoffset * dstRowStride / sizeof(GLuint)
+ + dstXoffset;
+ const GLuint *src
+ = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
+ srcWidth, srcHeight,
+ srcFormat, srcType,
+ img, 0, 0);
+ for (row = 0; row < srcHeight; row++) {
+ GLubyte stencil[MAX_WIDTH];
+ GLint i;
+ /* the 24 depth bits will be in the high position: */
+ _mesa_unpack_depth_span(ctx, srcWidth,
+ GL_UNSIGNED_INT, /* dst type */
+ dstRow, /* dst addr */
+ depthScale,
+ srcType, src, srcPacking);
+ /* get the 8-bit stencil values */
+ _mesa_unpack_stencil_span(ctx, srcWidth,
+ GL_UNSIGNED_BYTE, /* dst type */
+ stencil, /* dst addr */
+ srcType, src, srcPacking,
+ ctx->_ImageTransferState);
+ /* merge stencil values into depth values */
+ for (i = 0; i < srcWidth; i++)
+ dstRow[i] = stencil[i] << 24;
+
+ src += srcRowStride;
+ dstRow += dstRowStride / sizeof(GLuint);
+ }
+ }
+ }
+ return GL_TRUE;
+}
/**
* Store an image in any of the formats:
diff --git a/src/mesa/main/texstore.h b/src/mesa/main/texstore.h
index 5128bc58276..c9edf14dbc5 100644
--- a/src/mesa/main/texstore.h
+++ b/src/mesa/main/texstore.h
@@ -57,6 +57,7 @@ extern GLboolean _mesa_texstore_a8(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_ci8(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_ycbcr(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_z24_s8(TEXSTORE_PARAMS);
+extern GLboolean _mesa_texstore_s8_z24(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_z16(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_z32(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_rgba_float32(TEXSTORE_PARAMS);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 20:15:15 +0000