**************************************************************************/
#include "main/mfeatures.h"
+#include "main/bufferobj.h"
#if FEATURE_convolve
#include "main/convolve.h"
#endif
#include "state_tracker/st_public.h"
#include "state_tracker/st_texture.h"
#include "state_tracker/st_gen_mipmap.h"
+#include "state_tracker/st_inlines.h"
+#include "state_tracker/st_atom.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
#include "util/u_tile.h"
#include "util/u_blit.h"
+#include "util/u_surface.h"
+#include "util/u_math.h"
#define DBG if (0) printf
}
+static GLboolean
+is_compressed_mesa_format(const struct gl_texture_format *format)
+{
+ switch (format->MesaFormat) {
+ case MESA_FORMAT_RGB_DXT1:
+ case MESA_FORMAT_RGBA_DXT1:
+ case MESA_FORMAT_RGBA_DXT3:
+ case MESA_FORMAT_RGBA_DXT5:
+ case MESA_FORMAT_SRGB_DXT1:
+ case MESA_FORMAT_SRGBA_DXT1:
+ case MESA_FORMAT_SRGBA_DXT3:
+ case MESA_FORMAT_SRGBA_DXT5:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
/** called via ctx->Driver.NewTextureImage() */
static struct gl_texture_image *
st_NewTextureImage(GLcontext * ctx)
* than COPY_DWORDS would:
* XXX Put this in src/mesa/main/imports.h ???
*/
-#if defined(i386) || defined(__i386__)
+#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86)
static INLINE void *
__memcpy(void *to, const void *from, size_t n)
{
}
-static int
-logbase2(int n)
-{
- GLint i = 1, log2 = 0;
- while (n > i) {
- i *= 2;
- log2++;
- }
- return log2;
-}
-
-
/**
* Return default texture usage bitmask for the given texture format.
*/
* pagetable arrangements.
*/
if ((stObj->base.MinFilter == GL_NEAREST ||
- stObj->base.MinFilter == GL_LINEAR) &&
+ stObj->base.MinFilter == GL_LINEAR ||
+ stImage->base._BaseFormat == GL_DEPTH_COMPONENT ||
+ stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) &&
stImage->level == firstLevel) {
lastLevel = firstLevel;
}
else {
- GLuint l2width = logbase2(width);
- GLuint l2height = logbase2(height);
- GLuint l2depth = logbase2(depth);
+ GLuint l2width = util_logbase2(width);
+ GLuint l2height = util_logbase2(height);
+ GLuint l2depth = util_logbase2(depth);
lastLevel = firstLevel + MAX2(MAX2(l2width, l2height), l2depth);
}
}
+/**
+ * Try to do texture compression via rendering. If the Gallium driver
+ * can render into a compressed surface this will allow us to do texture
+ * compression.
+ * \return GL_TRUE for success, GL_FALSE for failure
+ */
+static GLboolean
+compress_with_blit(GLcontext * ctx,
+ GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_texture_image *texImage)
+{
+ const GLuint dstImageOffsets[1] = {0};
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ struct pipe_screen *screen = ctx->st->pipe->screen;
+ const struct gl_texture_format *mesa_format;
+ struct pipe_texture templ;
+ struct pipe_texture *src_tex;
+ struct pipe_surface *dst_surface;
+ struct pipe_transfer *tex_xfer;
+ void *map;
+
+
+ if (!stImage->pt) {
+ /* XXX: Can this happen? Should we assert? */
+ return GL_FALSE;
+ }
+
+ /* get destination surface (in the compressed texture) */
+ dst_surface = screen->get_tex_surface(screen, stImage->pt,
+ stImage->face, stImage->level, 0,
+ PIPE_BUFFER_USAGE_GPU_WRITE);
+ if (!dst_surface) {
+ /* can't render into this format (or other problem) */
+ return GL_FALSE;
+ }
+
+ /* Choose format for the temporary RGBA texture image.
+ */
+ mesa_format = st_ChooseTextureFormat(ctx, GL_RGBA, format, type);
+ assert(mesa_format);
+ if (!mesa_format)
+ return GL_FALSE;
+
+ /* Create the temporary source texture
+ */
+ memset(&templ, 0, sizeof(templ));
+ templ.target = PIPE_TEXTURE_2D;
+ templ.format = st_mesa_format_to_pipe_format(mesa_format->MesaFormat);
+ pf_get_block(templ.format, &templ.block);
+ templ.width[0] = width;
+ templ.height[0] = height;
+ templ.depth[0] = 1;
+ templ.last_level = 0;
+ templ.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER;
+ src_tex = screen->texture_create(screen, &templ);
+
+ if (!src_tex)
+ return GL_FALSE;
+
+ /* Put user's tex data into the temporary texture
+ */
+ tex_xfer = st_cond_flush_get_tex_transfer(st_context(ctx), src_tex,
+ 0, 0, 0, /* face, level are zero */
+ PIPE_TRANSFER_WRITE,
+ 0, 0, width, height); /* x, y, w, h */
+ map = screen->transfer_map(screen, tex_xfer);
+
+ mesa_format->StoreImage(ctx, 2, GL_RGBA, mesa_format,
+ map, /* dest ptr */
+ 0, 0, 0, /* dest x/y/z offset */
+ tex_xfer->stride, /* dest row stride (bytes) */
+ dstImageOffsets, /* image offsets (for 3D only) */
+ width, height, 1, /* size */
+ format, type, /* source format/type */
+ pixels, /* source data */
+ unpack); /* source data packing */
+
+ screen->transfer_unmap(screen, tex_xfer);
+ screen->tex_transfer_destroy(tex_xfer);
+
+ /* copy / compress image */
+ util_blit_pixels_tex(ctx->st->blit,
+ src_tex, /* pipe_texture (src) */
+ 0, 0, /* src x0, y0 */
+ width, height, /* src x1, y1 */
+ dst_surface, /* pipe_surface (dst) */
+ xoffset, yoffset, /* dst x0, y0 */
+ xoffset + width, /* dst x1 */
+ yoffset + height, /* dst y1 */
+ 0.0, /* z */
+ PIPE_TEX_MIPFILTER_NEAREST);
+
+ pipe_surface_reference(&dst_surface, NULL);
+ pipe_texture_reference(&src_tex, NULL);
+
+ return GL_TRUE;
+}
+
+
/**
* Do glTexImage1/2/3D().
*/
const struct gl_pixelstore_attrib *unpack,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
- GLsizei imageSize, GLboolean compressed)
+ GLsizei imageSize, GLboolean compressed_src)
{
+ struct pipe_screen *screen = ctx->st->pipe->screen;
struct st_texture_object *stObj = st_texture_object(texObj);
struct st_texture_image *stImage = st_texture_image(texImage);
GLint postConvWidth, postConvHeight;
GLint texelBytes, sizeInBytes;
GLuint dstRowStride;
struct gl_pixelstore_attrib unpackNB;
+ enum pipe_transfer_usage transfer_usage;
DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
+ /* switch to "normal" */
+ if (stObj->surface_based) {
+ _mesa_clear_texture_object(ctx, texObj);
+ stObj->surface_based = GL_FALSE;
+ }
+
/* gallium does not support texture borders, strip it off */
if (border) {
strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB);
* the expectation that the texture will be set up but nothing
* more will be done. This is where those calls return:
*/
- if (compressed) {
+ if (compressed_src) {
pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels,
unpack,
"glCompressedTexImage");
if (!pixels)
return;
+ /* See if we can do texture compression with a blit/render.
+ */
+ if (!compressed_src &&
+ !ctx->Mesa_DXTn &&
+ is_compressed_mesa_format(texImage->TexFormat) &&
+ screen->is_format_supported(screen,
+ stImage->pt->format,
+ stImage->pt->target,
+ PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) {
+ if (compress_with_blit(ctx, target, level, 0, 0, 0, width, height, depth,
+ format, type, pixels, unpack, texImage)) {
+ goto done;
+ }
+ }
+
if (stImage->pt) {
+ if (format == GL_DEPTH_COMPONENT &&
+ pf_is_depth_and_stencil(stImage->pt->format))
+ transfer_usage = PIPE_TRANSFER_READ_WRITE;
+ else
+ transfer_usage = PIPE_TRANSFER_WRITE;
+
texImage->Data = st_texture_image_map(ctx->st, stImage, 0,
- PIPE_TRANSFER_WRITE, 0, 0,
+ transfer_usage, 0, 0,
stImage->base.Width,
stImage->base.Height);
- dstRowStride = stImage->transfer->stride;
+ if(stImage->transfer)
+ dstRowStride = stImage->transfer->stride;
}
else {
/* Allocate regular memory and store the image there temporarily. */
* the blitter to copy. Or, use the hardware to do the format
* conversion and copy:
*/
- if (compressed) {
+ if (compressed_src) {
memcpy(texImage->Data, pixels, imageSize);
}
else {
st_texture_image_unmap(ctx->st, stImage);
/* map next slice of 3D texture */
texImage->Data = st_texture_image_map(ctx->st, stImage, i + 1,
- PIPE_TRANSFER_WRITE, 0, 0,
+ transfer_usage, 0, 0,
stImage->base.Width,
stImage->base.Height);
src += srcImageStride;
_mesa_unmap_teximage_pbo(ctx, unpack);
- if (stImage->pt) {
+done:
+ if (stImage->pt && texImage->Data) {
st_texture_image_unmap(ctx->st, stImage);
texImage->Data = NULL;
}
}
+
+/**
+ * glGetTexImage() helper: decompress a compressed texture by rendering
+ * a textured quad. Store the results in the user's buffer.
+ */
+static void
+decompress_with_blit(GLcontext * ctx, GLenum target, GLint level,
+ GLenum format, GLenum type, GLvoid *pixels,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ struct pipe_screen *screen = ctx->st->pipe->screen;
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ const GLuint width = texImage->Width;
+ const GLuint height = texImage->Height;
+ struct pipe_surface *dst_surface;
+ struct pipe_texture *dst_texture;
+ struct pipe_transfer *tex_xfer;
+
+ /* create temp / dest surface */
+ if (!util_create_rgba_surface(screen, width, height,
+ &dst_texture, &dst_surface)) {
+ _mesa_problem(ctx, "util_create_rgba_surface() failed "
+ "in decompress_with_blit()");
+ return;
+ }
+
+ /* blit/render/decompress */
+ util_blit_pixels_tex(ctx->st->blit,
+ stImage->pt, /* pipe_texture (src) */
+ 0, 0, /* src x0, y0 */
+ width, height, /* src x1, y1 */
+ dst_surface, /* pipe_surface (dst) */
+ 0, 0, /* dst x0, y0 */
+ width, height, /* dst x1, y1 */
+ 0.0, /* z */
+ PIPE_TEX_MIPFILTER_NEAREST);
+
+ /* map the dst_surface so we can read from it */
+ tex_xfer = st_cond_flush_get_tex_transfer(st_context(ctx),
+ dst_texture, 0, 0, 0,
+ PIPE_TRANSFER_READ,
+ 0, 0, width, height);
+
+ pixels = _mesa_map_readpix_pbo(ctx, &ctx->Pack, pixels);
+
+ /* copy/pack data into user buffer */
+ if (st_equal_formats(stImage->pt->format, format, type)) {
+ /* memcpy */
+ const uint bytesPerRow = width * pf_get_size(stImage->pt->format);
+ ubyte *map = screen->transfer_map(screen, tex_xfer);
+ GLuint row;
+ for (row = 0; row < height; row++) {
+ GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
+ height, format, type, row, 0);
+ memcpy(dest, map, bytesPerRow);
+ map += tex_xfer->stride;
+ }
+ screen->transfer_unmap(screen, tex_xfer);
+ }
+ else {
+ /* format translation via floats */
+ GLuint row;
+ for (row = 0; row < height; row++) {
+ const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
+ GLfloat rgba[4 * MAX_WIDTH];
+ GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
+ height, format, type, row, 0);
+
+ /* get float[4] rgba row from surface */
+ pipe_get_tile_rgba(tex_xfer, 0, row, width, 1, rgba);
+
+ _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
+ type, dest, &ctx->Pack, transferOps);
+ }
+ }
+
+ _mesa_unmap_readpix_pbo(ctx, &ctx->Pack);
+
+ /* destroy the temp / dest surface */
+ util_destroy_rgba_surface(dst_texture, dst_surface);
+}
+
+
+
/**
* Need to map texture image into memory before copying image data,
* then unmap it.
st_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
GLenum format, GLenum type, GLvoid * pixels,
struct gl_texture_object *texObj,
- struct gl_texture_image *texImage, GLboolean compressed)
+ struct gl_texture_image *texImage, GLboolean compressed_dst)
{
struct st_texture_image *stImage = st_texture_image(texImage);
const GLuint dstImageStride =
GLuint depth, i;
GLubyte *dest;
+ if (stImage->pt &&
+ pf_is_compressed(stImage->pt->format) &&
+ !compressed_dst) {
+ /* Need to decompress the texture.
+ * We'll do this by rendering a textured quad.
+ * Note that we only expect RGBA formats (no Z/depth formats).
+ */
+ decompress_with_blit(ctx, target, level, format, type, pixels,
+ texObj, texImage);
+ return;
+ }
+
/* Map */
if (stImage->pt) {
/* Image is stored in hardware format in a buffer managed by the
* kernel. Need to explicitly map and unmap it.
*/
+ unsigned face = _mesa_tex_target_to_face(target);
+
+ st_teximage_flush_before_map(ctx->st, stImage->pt, face, level,
+ PIPE_TRANSFER_READ);
+
texImage->Data = st_texture_image_map(ctx->st, stImage, 0,
PIPE_TRANSFER_READ, 0, 0,
stImage->base.Width,
dest = (GLubyte *) pixels;
for (i = 0; i < depth; i++) {
- if (compressed) {
+ if (compressed_dst) {
_mesa_get_compressed_teximage(ctx, target, level, dest,
texObj, texImage);
}
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
+ struct pipe_screen *screen = ctx->st->pipe->screen;
struct st_texture_image *stImage = st_texture_image(texImage);
GLuint dstRowStride;
const GLuint srcImageStride =
_mesa_image_image_stride(packing, width, height, format, type);
GLint i;
const GLubyte *src;
+ /* init to silence warning only: */
+ enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE;
DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(target),
if (!pixels)
return;
+ /* See if we can do texture compression with a blit/render.
+ */
+ if (!ctx->Mesa_DXTn &&
+ is_compressed_mesa_format(texImage->TexFormat) &&
+ screen->is_format_supported(screen,
+ stImage->pt->format,
+ stImage->pt->target,
+ PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) {
+ if (compress_with_blit(ctx, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, type, pixels, packing, texImage)) {
+ goto done;
+ }
+ }
+
/* Map buffer if necessary. Need to lock to prevent other contexts
* from uploading the buffer under us.
*/
if (stImage->pt) {
+ unsigned face = _mesa_tex_target_to_face(target);
+
+ if (format == GL_DEPTH_COMPONENT &&
+ pf_is_depth_and_stencil(stImage->pt->format))
+ transfer_usage = PIPE_TRANSFER_READ_WRITE;
+ else
+ transfer_usage = PIPE_TRANSFER_WRITE;
+
+ st_teximage_flush_before_map(ctx->st, stImage->pt, face, level,
+ transfer_usage);
texImage->Data = st_texture_image_map(ctx->st, stImage, zoffset,
- PIPE_TRANSFER_WRITE,
+ transfer_usage,
xoffset, yoffset,
width, height);
}
/* map next slice of 3D texture */
texImage->Data = st_texture_image_map(ctx->st, stImage,
zoffset + i + 1,
- PIPE_TRANSFER_WRITE,
+ transfer_usage,
xoffset, yoffset,
width, height);
src += srcImageStride;
}
}
- if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
- ctx->Driver.GenerateMipmap(ctx, target, texObj);
- }
-
_mesa_unmap_teximage_pbo(ctx, packing);
+done:
if (stImage->pt) {
st_texture_image_unmap(ctx->st, stImage);
texImage->Data = NULL;
}
+
+ if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
+ ctx->Driver.GenerateMipmap(ctx, target, texObj);
+ }
}
}
+static void
+st_CompressedTexSubImage1D(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLsizei width,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ assert(0);
+}
+
+
+static void
+st_CompressedTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLint height,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ struct pipe_format_block block;
+ int srcBlockStride;
+ int dstBlockStride;
+ int y;
+
+ if (stImage->pt) {
+ unsigned face = _mesa_tex_target_to_face(target);
+
+ st_teximage_flush_before_map(ctx->st, stImage->pt, face, level,
+ PIPE_TRANSFER_WRITE);
+ texImage->Data = st_texture_image_map(ctx->st, stImage, 0,
+ PIPE_TRANSFER_WRITE,
+ xoffset, yoffset,
+ width, height);
+
+ block = stImage->pt->block;
+ srcBlockStride = pf_get_stride(&block, width);
+ dstBlockStride = stImage->transfer->stride;
+ } else {
+ assert(stImage->pt);
+ /* TODO find good values for block and strides */
+ /* TODO also adjust texImage->data for yoffset/xoffset */
+ return;
+ }
+
+ if (!texImage->Data) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage");
+ return;
+ }
+
+ assert(xoffset % block.width == 0);
+ assert(yoffset % block.height == 0);
+ assert(width % block.width == 0);
+ assert(height % block.height == 0);
+
+ for (y = 0; y < height; y += block.height) {
+ /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */
+ const char *src = (const char*)data + srcBlockStride * pf_get_nblocksy(&block, y);
+ char *dst = (char*)texImage->Data + dstBlockStride * pf_get_nblocksy(&block, y);
+ memcpy(dst, src, pf_get_stride(&block, width));
+ }
+
+ if (stImage->pt) {
+ st_texture_image_unmap(ctx->st, stImage);
+ texImage->Data = NULL;
+ }
+}
+
+
+static void
+st_CompressedTexSubImage3D(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLint height, GLint depth,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ assert(0);
+}
+
+
/**
* Do a CopyTexSubImage operation using a read transfer from the source,
struct pipe_screen *screen = pipe->screen;
struct pipe_transfer *src_trans;
GLvoid *texDest;
+ enum pipe_transfer_usage transfer_usage;
assert(width <= MAX_WIDTH);
srcY = strb->Base.Height - srcY - height;
}
- src_trans = screen->get_tex_transfer( screen,
- strb->texture,
- 0, 0, 0,
- PIPE_TRANSFER_READ,
- srcX, srcY,
- width, height);
+ src_trans = st_cond_flush_get_tex_transfer( st_context(ctx),
+ strb->texture,
+ 0, 0, 0,
+ PIPE_TRANSFER_READ,
+ srcX, srcY,
+ width, height);
- texDest = st_texture_image_map(ctx->st, stImage, 0, PIPE_TRANSFER_WRITE,
+ if (baseFormat == GL_DEPTH_COMPONENT &&
+ pf_is_depth_and_stencil(stImage->pt->format))
+ transfer_usage = PIPE_TRANSFER_READ_WRITE;
+ else
+ transfer_usage = PIPE_TRANSFER_WRITE;
+
+ st_teximage_flush_before_map(ctx->st, stImage->pt, 0, 0,
+ transfer_usage);
+
+ texDest = st_texture_image_map(ctx->st, stImage, 0, transfer_usage,
destX, destY, width, height);
if (baseFormat == GL_DEPTH_COMPONENT ||
GLboolean use_fallback = GL_TRUE;
GLboolean matching_base_formats;
- /* any rendering in progress must complete before we grab the fb image */
- st_finish(ctx->st);
+ /* any rendering in progress must flushed before we grab the fb image */
+ st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+ /* make sure finalize_textures has been called?
+ */
+ if (0) st_validate_state(ctx->st);
/* determine if copying depth or color data */
if (texBaseFormat == GL_DEPTH_COMPONENT ||
strb = st_renderbuffer(fb->_ColorReadBuffer);
}
+ if (!strb || !strb->surface || !stImage->pt) {
+ debug_printf("%s: null strb or stImage\n", __FUNCTION__);
+ return;
+ }
+
+ if (srcX < 0) {
+ width -= -srcX;
+ destX += -srcX;
+ srcX = 0;
+ }
+
+ if (srcY < 0) {
+ height -= -srcY;
+ destY += -srcY;
+ srcY = 0;
+ }
+
+ if (destX < 0) {
+ width -= -destX;
+ srcX += -destX;
+ destX = 0;
+ }
+
+ if (destY < 0) {
+ height -= -destY;
+ srcY += -destY;
+ destY = 0;
+ }
+
+ if (width < 0 || height < 0)
+ return;
+
+
assert(strb);
assert(strb->surface);
assert(stImage->pt);
/* More straightforward upload.
*/
- st_texture_image_data(st->pipe,
+
+ st_teximage_flush_before_map(st, stObj->pt, stImage->face, dstLevel,
+ PIPE_TRANSFER_WRITE);
+
+
+ st_texture_image_data(st,
stObj->pt,
stImage->face,
dstLevel,
functions->TexSubImage1D = st_TexSubImage1D;
functions->TexSubImage2D = st_TexSubImage2D;
functions->TexSubImage3D = st_TexSubImage3D;
+ functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D;
+ functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D;
+ functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D;
functions->CopyTexImage1D = st_CopyTexImage1D;
functions->CopyTexImage2D = st_CopyTexImage2D;
functions->CopyTexSubImage1D = st_CopyTexSubImage1D;
projects / mesa.git / blobdiff