aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa/main/texstore.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/main/texstore.c')
-rw-r--r--src/mesa/main/texstore.c229
1 files changed, 177 insertions, 52 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index fb34a005b3b..fd7476d2273 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -315,9 +315,9 @@ make_temp_float_image(struct gl_context *ctx, GLuint dims,
GLint srcWidth, GLint srcHeight, GLint srcDepth,
GLenum srcFormat, GLenum srcType,
const GLvoid *srcAddr,
- const struct gl_pixelstore_attrib *srcPacking)
+ const struct gl_pixelstore_attrib *srcPacking,
+ GLbitfield transferOps)
{
- GLuint transferOps = ctx->_ImageTransferState;
GLfloat *tempImage;
const GLint components = _mesa_components_in_format(logicalBaseFormat);
const GLint srcStride =
@@ -419,6 +419,115 @@ make_temp_float_image(struct gl_context *ctx, GLuint dims,
/**
+ * Make temporary image with uint pixel values. Used for unsigned
+ * integer-valued textures.
+ */
+static GLuint *
+make_temp_uint_image(struct gl_context *ctx, GLuint dims,
+ GLenum logicalBaseFormat,
+ GLenum textureBaseFormat,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *srcAddr,
+ const struct gl_pixelstore_attrib *srcPacking)
+{
+ GLuint *tempImage;
+ const GLint components = _mesa_components_in_format(logicalBaseFormat);
+ const GLint srcStride =
+ _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
+ GLuint *dst;
+ GLint img, row;
+
+ ASSERT(dims >= 1 && dims <= 3);
+
+ ASSERT(logicalBaseFormat == GL_RGBA ||
+ logicalBaseFormat == GL_RGB ||
+ logicalBaseFormat == GL_RG ||
+ logicalBaseFormat == GL_RED ||
+ logicalBaseFormat == GL_LUMINANCE_ALPHA ||
+ logicalBaseFormat == GL_LUMINANCE ||
+ logicalBaseFormat == GL_INTENSITY ||
+ logicalBaseFormat == GL_ALPHA);
+
+ ASSERT(textureBaseFormat == GL_RGBA ||
+ textureBaseFormat == GL_RGB ||
+ textureBaseFormat == GL_RG ||
+ textureBaseFormat == GL_RED ||
+ textureBaseFormat == GL_LUMINANCE_ALPHA ||
+ textureBaseFormat == GL_LUMINANCE ||
+ textureBaseFormat == GL_ALPHA);
+
+ tempImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth
+ * components * sizeof(GLuint));
+ if (!tempImage)
+ return NULL;
+
+ dst = tempImage;
+ for (img = 0; img < srcDepth; img++) {
+ const GLubyte *src
+ = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
+ srcWidth, srcHeight,
+ srcFormat, srcType,
+ img, 0, 0);
+ for (row = 0; row < srcHeight; row++) {
+ _mesa_unpack_color_span_uint(ctx, srcWidth, logicalBaseFormat,
+ dst, srcFormat, srcType, src,
+ srcPacking);
+ dst += srcWidth * components;
+ src += srcStride;
+ }
+ }
+
+ if (logicalBaseFormat != textureBaseFormat) {
+ /* more work */
+ GLint texComponents = _mesa_components_in_format(textureBaseFormat);
+ GLint logComponents = _mesa_components_in_format(logicalBaseFormat);
+ GLuint *newImage;
+ GLint i, n;
+ GLubyte map[6];
+
+ /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */
+ ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||
+ textureBaseFormat == GL_LUMINANCE_ALPHA);
+
+ /* The actual texture format should have at least as many components
+ * as the logical texture format.
+ */
+ ASSERT(texComponents >= logComponents);
+
+ newImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth
+ * texComponents * sizeof(GLuint));
+ if (!newImage) {
+ free(tempImage);
+ return NULL;
+ }
+
+ compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);
+
+ n = srcWidth * srcHeight * srcDepth;
+ for (i = 0; i < n; i++) {
+ GLint k;
+ for (k = 0; k < texComponents; k++) {
+ GLint j = map[k];
+ if (j == ZERO)
+ newImage[i * texComponents + k] = 0.0F;
+ else if (j == ONE)
+ newImage[i * texComponents + k] = 1.0F;
+ else
+ newImage[i * texComponents + k] = tempImage[i * logComponents + j];
+ }
+ }
+
+ free(tempImage);
+ tempImage = newImage;
+ }
+
+ return tempImage;
+}
+
+
+
+/**
* Make a temporary (color) texture image with GLchan components.
* Apply all needed pixel unpacking and pixel transfer operations.
* Note that there are both logicalBaseFormat and textureBaseFormat parameters.
@@ -2085,7 +2194,8 @@ _mesa_texstore_unorm1616(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking,
+ ctx->_ImageTransferState);
const GLfloat *src = tempImage;
GLint img, row, col;
if (!tempImage)
@@ -2159,7 +2269,8 @@ _mesa_texstore_r16(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking,
+ ctx->_ImageTransferState);
const GLfloat *src = tempImage;
GLint img, row, col;
if (!tempImage)
@@ -2216,7 +2327,8 @@ _mesa_texstore_rgba_16(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking,
+ ctx->_ImageTransferState);
const GLfloat *src = tempImage;
GLint img, row, col;
if (!tempImage)
@@ -2282,7 +2394,8 @@ _mesa_texstore_signed_rgba_16(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking,
+ ctx->_ImageTransferState);
const GLfloat *src = tempImage;
const GLuint comps = _mesa_get_format_bytes(dstFormat) / 2;
GLint img, row, col;
@@ -2663,7 +2776,8 @@ _mesa_texstore_signed_r8(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking,
+ ctx->_ImageTransferState);
const GLfloat *srcRow = tempImage;
GLint img, row, col;
if (!tempImage)
@@ -2707,7 +2821,8 @@ _mesa_texstore_signed_rg88(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking,
+ ctx->_ImageTransferState);
const GLfloat *srcRow = tempImage;
GLint img, row, col;
if (!tempImage)
@@ -2751,7 +2866,8 @@ _mesa_texstore_signed_rgbx8888(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking,
+ ctx->_ImageTransferState);
const GLfloat *srcRow = tempImage;
GLint img, row, col;
if (!tempImage)
@@ -2863,7 +2979,8 @@ _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking,
+ ctx->_ImageTransferState);
const GLfloat *srcRow = tempImage;
GLint img, row, col;
if (!tempImage)
@@ -3171,7 +3288,8 @@ _mesa_texstore_rgba_float32(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking,
+ ctx->_ImageTransferState);
const GLfloat *srcRow = tempImage;
GLint bytesPerRow;
GLint img, row;
@@ -3240,7 +3358,8 @@ _mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking,
+ ctx->_ImageTransferState);
const GLfloat *src = tempImage;
GLint img, row;
if (!tempImage)
@@ -3284,8 +3403,10 @@ _mesa_texstore_rgba_int8(TEXSTORE_PARAMS)
baseInternalFormat == GL_INTENSITY);
ASSERT(texelBytes == components * sizeof(GLbyte));
- if (!ctx->_ImageTransferState &&
- !srcPacking->SwapBytes &&
+ /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+ * to integer formats.
+ */
+ if (!srcPacking->SwapBytes &&
baseInternalFormat == srcFormat &&
srcType == GL_BYTE) {
/* simple memcpy path */
@@ -3303,7 +3424,7 @@ _mesa_texstore_rgba_int8(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking, 0x0);
const GLfloat *src = tempImage;
GLint img, row;
if (!tempImage)
@@ -3347,10 +3468,12 @@ _mesa_texstore_rgba_int16(TEXSTORE_PARAMS)
baseInternalFormat == GL_INTENSITY);
ASSERT(texelBytes == components * sizeof(GLshort));
- if (!ctx->_ImageTransferState &&
- !srcPacking->SwapBytes &&
+ /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+ * to integer formats.
+ */
+ if (!srcPacking->SwapBytes &&
baseInternalFormat == srcFormat &&
- srcType == GL_INT) {
+ srcType == GL_SHORT) {
/* simple memcpy path */
memcpy_texture(ctx, dims,
dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
@@ -3366,7 +3489,7 @@ _mesa_texstore_rgba_int16(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking, 0x0);
const GLfloat *src = tempImage;
GLint img, row;
if (!tempImage)
@@ -3410,8 +3533,10 @@ _mesa_texstore_rgba_int32(TEXSTORE_PARAMS)
baseInternalFormat == GL_INTENSITY);
ASSERT(texelBytes == components * sizeof(GLint));
- if (!ctx->_ImageTransferState &&
- !srcPacking->SwapBytes &&
+ /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+ * to integer formats.
+ */
+ if (!srcPacking->SwapBytes &&
baseInternalFormat == srcFormat &&
srcType == GL_INT) {
/* simple memcpy path */
@@ -3429,7 +3554,7 @@ _mesa_texstore_rgba_int32(TEXSTORE_PARAMS)
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
- srcPacking);
+ srcPacking, 0x0);
const GLfloat *src = tempImage;
GLint img, row;
if (!tempImage)
@@ -3473,8 +3598,10 @@ _mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
baseInternalFormat == GL_INTENSITY);
ASSERT(texelBytes == components * sizeof(GLubyte));
- if (!ctx->_ImageTransferState &&
- !srcPacking->SwapBytes &&
+ /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+ * to integer formats.
+ */
+ if (!srcPacking->SwapBytes &&
baseInternalFormat == srcFormat &&
srcType == GL_UNSIGNED_BYTE) {
/* simple memcpy path */
@@ -3487,13 +3614,11 @@ _mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
}
else {
/* general path */
- const GLfloat *tempImage = make_temp_float_image(ctx, dims,
- baseInternalFormat,
- baseFormat,
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking);
- const GLfloat *src = tempImage;
+ const GLuint *tempImage =
+ make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr, srcPacking);
+ const GLuint *src = tempImage;
GLint img, row;
if (!tempImage)
return GL_FALSE;
@@ -3506,7 +3631,7 @@ _mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
GLubyte *dstTexel = (GLubyte *) dstRow;
GLint i;
for (i = 0; i < srcWidth * components; i++) {
- dstTexel[i] = (GLubyte) src[i];
+ dstTexel[i] = (GLubyte) CLAMP(src[i], 0, 0xff);
}
dstRow += dstRowStride;
src += srcWidth * components;
@@ -3536,8 +3661,10 @@ _mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
baseInternalFormat == GL_INTENSITY);
ASSERT(texelBytes == components * sizeof(GLushort));
- if (!ctx->_ImageTransferState &&
- !srcPacking->SwapBytes &&
+ /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+ * to integer formats.
+ */
+ if (!srcPacking->SwapBytes &&
baseInternalFormat == srcFormat &&
srcType == GL_UNSIGNED_SHORT) {
/* simple memcpy path */
@@ -3550,13 +3677,11 @@ _mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
}
else {
/* general path */
- const GLfloat *tempImage = make_temp_float_image(ctx, dims,
- baseInternalFormat,
- baseFormat,
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking);
- const GLfloat *src = tempImage;
+ const GLuint *tempImage =
+ make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr, srcPacking);
+ const GLuint *src = tempImage;
GLint img, row;
if (!tempImage)
return GL_FALSE;
@@ -3569,7 +3694,7 @@ _mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
GLushort *dstTexel = (GLushort *) dstRow;
GLint i;
for (i = 0; i < srcWidth * components; i++) {
- dstTexel[i] = (GLushort) src[i];
+ dstTexel[i] = (GLushort) CLAMP(src[i], 0, 0xffff);
}
dstRow += dstRowStride;
src += srcWidth * components;
@@ -3599,8 +3724,10 @@ _mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)
baseInternalFormat == GL_INTENSITY);
ASSERT(texelBytes == components * sizeof(GLuint));
- if (!ctx->_ImageTransferState &&
- !srcPacking->SwapBytes &&
+ /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+ * to integer formats.
+ */
+ if (!srcPacking->SwapBytes &&
baseInternalFormat == srcFormat &&
srcType == GL_UNSIGNED_INT) {
/* simple memcpy path */
@@ -3613,13 +3740,11 @@ _mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)
}
else {
/* general path */
- const GLfloat *tempImage = make_temp_float_image(ctx, dims,
- baseInternalFormat,
- baseFormat,
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking);
- const GLfloat *src = tempImage;
+ const GLuint *tempImage =
+ make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr, srcPacking);
+ const GLuint *src = tempImage;
GLint img, row;
if (!tempImage)
return GL_FALSE;
@@ -3632,7 +3757,7 @@ _mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)
GLuint *dstTexel = (GLuint *) dstRow;
GLint i;
for (i = 0; i < srcWidth * components; i++) {
- dstTexel[i] = (GLuint) src[i];
+ dstTexel[i] = src[i];
}
dstRow += dstRowStride;
src += srcWidth * components;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 20:57:29 +0000