*
**************************************************************************/
-#include "main/mfeatures.h"
#include "main/bufferobj.h"
#include "main/enums.h"
#include "main/fbobject.h"
#include "util/u_inlines.h"
#include "pipe/p_shader_tokens.h"
#include "util/u_tile.h"
-#include "util/u_blit.h"
#include "util/u_format.h"
#include "util/u_surface.h"
#include "util/u_sampler.h"
#define DBG if (0) printf
-static enum pipe_texture_target
+enum pipe_texture_target
gl_target_to_pipe(GLenum target)
{
switch (target) {
case GL_TEXTURE_2D:
case GL_PROXY_TEXTURE_2D:
case GL_TEXTURE_EXTERNAL_OES:
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
return PIPE_TEXTURE_2D;
case GL_TEXTURE_RECTANGLE_NV:
case GL_PROXY_TEXTURE_RECTANGLE_NV:
return PIPE_TEXTURE_1D_ARRAY;
case GL_TEXTURE_2D_ARRAY_EXT:
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
return PIPE_TEXTURE_2D_ARRAY;
case GL_TEXTURE_BUFFER:
return PIPE_BUFFER;
struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object);
DBG("%s\n", __FUNCTION__);
- _mesa_initialize_texture_object(&obj->base, name, target);
+ _mesa_initialize_texture_object(ctx, &obj->base, name, target);
return &obj->base;
}
ptWidth,
ptHeight,
ptDepth,
- ptLayers,
+ ptLayers, 0,
bindings);
stObj->lastLevel = lastLevel;
ptWidth,
ptHeight,
ptDepth,
- ptLayers,
+ ptLayers, 0,
bindings);
return stImage->pt != NULL;
}
}
+/**
+ * Return a writemask for the gallium blit. The parameters can be base
+ * formats or "format" from glDrawPixels/glTexImage/glGetTexImage.
+ */
+unsigned
+st_get_blit_mask(GLenum srcFormat, GLenum dstFormat)
+{
+ switch (dstFormat) {
+ case GL_DEPTH_STENCIL:
+ switch (srcFormat) {
+ case GL_DEPTH_STENCIL:
+ return PIPE_MASK_ZS;
+ case GL_DEPTH_COMPONENT:
+ return PIPE_MASK_Z;
+ case GL_STENCIL_INDEX:
+ return PIPE_MASK_S;
+ default:
+ assert(0);
+ return 0;
+ }
+
+ case GL_DEPTH_COMPONENT:
+ switch (srcFormat) {
+ case GL_DEPTH_STENCIL:
+ case GL_DEPTH_COMPONENT:
+ return PIPE_MASK_Z;
+ default:
+ assert(0);
+ return 0;
+ }
+
+ case GL_STENCIL_INDEX:
+ switch (srcFormat) {
+ case GL_STENCIL_INDEX:
+ return PIPE_MASK_S;
+ default:
+ assert(0);
+ return 0;
+ }
+
+ default:
+ return PIPE_MASK_RGBA;
+ }
+}
+
+
+static void
+st_TexSubImage(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ 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 st_context *st = st_context(ctx);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ struct pipe_resource *dst = stImage->pt;
+ struct pipe_resource *src = NULL;
+ struct pipe_resource src_templ;
+ struct pipe_transfer *transfer;
+ struct pipe_blit_info blit;
+ enum pipe_format src_format, dst_format;
+ gl_format mesa_src_format;
+ GLenum gl_target = texImage->TexObject->Target;
+ unsigned bind;
+ GLubyte *map;
+
+ if (!st->prefer_blit_based_texture_transfer) {
+ goto fallback;
+ }
+
+ if (!dst) {
+ goto fallback;
+ }
+
+ /* XXX Fallback for depth-stencil formats due to an incomplete stencil
+ * blit implementation in some drivers. */
+ if (format == GL_DEPTH_STENCIL) {
+ goto fallback;
+ }
+
+ /* If the base internal format and the texture format don't match,
+ * we can't use blit-based TexSubImage. */
+ if (texImage->_BaseFormat !=
+ _mesa_get_format_base_format(texImage->TexFormat)) {
+ goto fallback;
+ }
+
+ /* See if the texture format already matches the format and type,
+ * in which case the memcpy-based fast path will likely be used and
+ * we don't have to blit. */
+ if (_mesa_format_matches_format_and_type(texImage->TexFormat, format,
+ type, unpack->SwapBytes)) {
+ goto fallback;
+ }
+
+ if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL)
+ bind = PIPE_BIND_DEPTH_STENCIL;
+ else
+ bind = PIPE_BIND_RENDER_TARGET;
+
+ /* See if the destination format is supported.
+ * For luminance and intensity, only the red channel is stored there. */
+ dst_format = util_format_linear(dst->format);
+ dst_format = util_format_luminance_to_red(dst_format);
+ dst_format = util_format_intensity_to_red(dst_format);
+
+ if (!dst_format ||
+ !screen->is_format_supported(screen, dst_format, dst->target,
+ dst->nr_samples, bind)) {
+ goto fallback;
+ }
+
+ /* Choose the source format. */
+ src_format = st_choose_matching_format(screen, PIPE_BIND_SAMPLER_VIEW,
+ format, type, unpack->SwapBytes);
+ if (!src_format) {
+ goto fallback;
+ }
+
+ mesa_src_format = st_pipe_format_to_mesa_format(src_format);
+
+ /* There is no reason to do this if we cannot use memcpy for the temporary
+ * source texture at least. This also takes transfer ops into account,
+ * etc. */
+ if (!_mesa_texstore_can_use_memcpy(ctx,
+ _mesa_get_format_base_format(mesa_src_format),
+ mesa_src_format, format, type, unpack)) {
+ goto fallback;
+ }
+
+ /* TexSubImage only sets a single cubemap face. */
+ if (gl_target == GL_TEXTURE_CUBE_MAP) {
+ gl_target = GL_TEXTURE_2D;
+ }
+
+ /* Initialize the source texture description. */
+ memset(&src_templ, 0, sizeof(src_templ));
+ src_templ.target = gl_target_to_pipe(gl_target);
+ src_templ.format = src_format;
+ src_templ.bind = PIPE_BIND_SAMPLER_VIEW;
+ src_templ.usage = PIPE_USAGE_STAGING;
+
+ st_gl_texture_dims_to_pipe_dims(gl_target, width, height, depth,
+ &src_templ.width0, &src_templ.height0,
+ &src_templ.depth0, &src_templ.array_size);
+
+ /* Check for NPOT texture support. */
+ if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES) &&
+ (!util_is_power_of_two(src_templ.width0) ||
+ !util_is_power_of_two(src_templ.height0) ||
+ !util_is_power_of_two(src_templ.depth0))) {
+ goto fallback;
+ }
+
+ /* Create the source texture. */
+ src = screen->resource_create(screen, &src_templ);
+ if (!src) {
+ goto fallback;
+ }
+
+ /* Map source pixels. */
+ pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
+ format, type, pixels, unpack,
+ "glTexSubImage");
+ if (!pixels) {
+ /* This is a GL error. */
+ pipe_resource_reference(&src, NULL);
+ return;
+ }
+
+ /* From now on, we need the gallium representation of dimensions. */
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ depth = height;
+ height = 1;
+ }
+
+ map = pipe_transfer_map_3d(pipe, src, 0, PIPE_TRANSFER_WRITE, 0, 0, 0,
+ width, height, depth, &transfer);
+ if (!map) {
+ _mesa_unmap_teximage_pbo(ctx, unpack);
+ pipe_resource_reference(&src, NULL);
+ goto fallback;
+ }
+
+ /* Upload pixels (just memcpy). */
+ {
+ const uint bytesPerRow = width * util_format_get_blocksize(src_format);
+ GLuint row, slice;
+
+ for (slice = 0; slice < (unsigned) depth; slice++) {
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ /* 1D array textures.
+ * We need to convert gallium coords to GL coords.
+ */
+ GLvoid *src = _mesa_image_address3d(unpack, pixels,
+ width, depth, format,
+ type, 0, slice, 0);
+ memcpy(map, src, bytesPerRow);
+ }
+ else {
+ ubyte *slice_map = map;
+
+ for (row = 0; row < (unsigned) height; row++) {
+ GLvoid *src = _mesa_image_address3d(unpack, pixels,
+ width, height, format,
+ type, slice, row, 0);
+ memcpy(slice_map, src, bytesPerRow);
+ slice_map += transfer->stride;
+ }
+ }
+ map += transfer->layer_stride;
+ }
+ }
+
+ pipe_transfer_unmap(pipe, transfer);
+ _mesa_unmap_teximage_pbo(ctx, unpack);
+
+ /* Blit. */
+ blit.src.resource = src;
+ blit.src.level = 0;
+ blit.src.format = src_format;
+ blit.dst.resource = dst;
+ blit.dst.level = stObj->pt != stImage->pt ? 0 : texImage->Level;
+ blit.dst.format = dst_format;
+ blit.src.box.x = blit.src.box.y = blit.src.box.z = 0;
+ blit.dst.box.x = xoffset;
+ blit.dst.box.y = yoffset;
+ blit.dst.box.z = zoffset + texImage->Face;
+ blit.src.box.width = blit.dst.box.width = width;
+ blit.src.box.height = blit.dst.box.height = height;
+ blit.src.box.depth = blit.dst.box.depth = depth;
+ blit.mask = st_get_blit_mask(format, texImage->_BaseFormat);
+ blit.filter = PIPE_TEX_FILTER_NEAREST;
+ blit.scissor_enable = FALSE;
+
+ st->pipe->blit(st->pipe, &blit);
+
+ pipe_resource_reference(&src, NULL);
+ return;
+
+fallback:
+ _mesa_store_texsubimage(ctx, dims, texImage, xoffset, yoffset, zoffset,
+ width, height, depth, format, type, pixels,
+ unpack);
+}
+
static void
st_TexImage(struct gl_context * ctx, GLuint dims,
struct gl_texture_image *texImage,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *unpack)
{
+ assert(dims == 1 || dims == 2 || dims == 3);
+
prep_teximage(ctx, texImage, format, type);
- _mesa_store_teximage(ctx, dims, texImage, format, type, pixels, unpack);
+
+ if (texImage->Width == 0 || texImage->Height == 0 || texImage->Depth == 0)
+ return;
+
+ /* allocate storage for texture data */
+ if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
+ return;
+ }
+
+ st_TexSubImage(ctx, dims, texImage, 0, 0, 0,
+ texImage->Width, texImage->Height, texImage->Depth,
+ format, type, pixels, unpack);
}
+
/**
- * glGetTexImage() helper: decompress a compressed texture by rendering
- * a textured quad. Store the results in the user's buffer.
+ * Called via ctx->Driver.GetTexImage()
+ *
+ * This uses a blit to copy the texture to a texture format which matches
+ * the format and type combo and then a fast read-back is done using memcpy.
+ * We can do arbitrary X/Y/Z/W/0/1 swizzling here as long as there is
+ * a format which matches the swizzling.
+ *
+ * If such a format isn't available, it falls back to _mesa_get_teximage.
+ *
+ * NOTE: Drivers usually do a blit to convert between tiled and linear
+ * texture layouts during texture uploads/downloads, so the blit
+ * we do here should be free in such cases.
*/
static void
-decompress_with_blit(struct gl_context * ctx,
- GLenum format, GLenum type, GLvoid *pixels,
- struct gl_texture_image *texImage)
+st_GetTexImage(struct gl_context * ctx,
+ GLenum format, GLenum type, GLvoid * pixels,
+ struct gl_texture_image *texImage)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
- const GLuint width = texImage->Width;
- const GLuint height = texImage->Height;
- const GLuint depth = texImage->Depth;
+ GLuint width = texImage->Width;
+ GLuint height = texImage->Height;
+ GLuint depth = texImage->Depth;
+ struct st_texture_image *stImage = st_texture_image(texImage);
struct pipe_resource *src = st_texture_object(texImage->TexObject)->pt;
- struct pipe_resource *dst;
+ struct pipe_resource *dst = NULL;
struct pipe_resource dst_templ;
- enum pipe_format pipe_format;
+ enum pipe_format dst_format, src_format;
gl_format mesa_format;
GLenum gl_target = texImage->TexObject->Target;
enum pipe_texture_target pipe_target;
struct pipe_blit_info blit;
- unsigned bind = (PIPE_BIND_RENDER_TARGET | PIPE_BIND_TRANSFER_READ);
+ unsigned bind = PIPE_BIND_TRANSFER_READ;
struct pipe_transfer *tex_xfer;
- ubyte *map;
+ ubyte *map = NULL;
+ boolean done = FALSE;
+
+ if (!st->prefer_blit_based_texture_transfer) {
+ goto fallback;
+ }
+
+ if (!stImage->pt || !src) {
+ goto fallback;
+ }
+
+ /* XXX Fallback to _mesa_get_teximage for depth-stencil formats
+ * due to an incomplete stencil blit implementation in some drivers. */
+ if (format == GL_DEPTH_STENCIL) {
+ goto fallback;
+ }
+
+ /* If the base internal format and the texture format don't match, we have
+ * to fall back to _mesa_get_teximage. */
+ if (texImage->_BaseFormat !=
+ _mesa_get_format_base_format(texImage->TexFormat)) {
+ goto fallback;
+ }
+
+ /* See if the texture format already matches the format and type,
+ * in which case the memcpy-based fast path will be used. */
+ if (_mesa_format_matches_format_and_type(texImage->TexFormat, format,
+ type, ctx->Pack.SwapBytes)) {
+ goto fallback;
+ }
+
+ /* Convert the source format to what is expected by GetTexImage
+ * and see if it's supported.
+ *
+ * This only applies to glGetTexImage:
+ * - Luminance must be returned as (L,0,0,1).
+ * - Luminance alpha must be returned as (L,0,0,A).
+ * - Intensity must be returned as (I,0,0,1)
+ */
+ src_format = util_format_linear(src->format);
+ src_format = util_format_luminance_to_red(src_format);
+ src_format = util_format_intensity_to_red(src_format);
+
+ if (!src_format ||
+ !screen->is_format_supported(screen, src_format, src->target,
+ src->nr_samples,
+ PIPE_BIND_SAMPLER_VIEW)) {
+ goto fallback;
+ }
+
+ if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL)
+ bind |= PIPE_BIND_DEPTH_STENCIL;
+ else
+ bind |= PIPE_BIND_RENDER_TARGET;
/* GetTexImage only returns a single face for cubemaps. */
if (gl_target == GL_TEXTURE_CUBE_MAP) {
gl_target = GL_TEXTURE_2D;
}
-
pipe_target = gl_target_to_pipe(gl_target);
- /* Find the best match for the format+type combo. */
- pipe_format = st_choose_format(pipe->screen, GL_RGBA8, format, type,
- pipe_target, 0, bind);
- if (pipe_format == PIPE_FORMAT_NONE) {
- /* unable to get an rgba format!?! */
- _mesa_problem(ctx, "%s: cannot find a supported format", __func__);
- return;
+ /* Choose the destination format by finding the best match
+ * for the format+type combo. */
+ dst_format = st_choose_matching_format(screen, bind, format, type,
+ ctx->Pack.SwapBytes);
+
+ if (dst_format == PIPE_FORMAT_NONE) {
+ GLenum dst_glformat;
+
+ /* Fall back to _mesa_get_teximage except for compressed formats,
+ * where decompression with a blit is always preferred. */
+ if (!util_format_is_compressed(src->format)) {
+ goto fallback;
+ }
+
+ /* Set the appropriate format for the decompressed texture.
+ * Luminance and sRGB formats shouldn't appear here.*/
+ switch (src_format) {
+ case PIPE_FORMAT_DXT1_RGB:
+ case PIPE_FORMAT_DXT1_RGBA:
+ case PIPE_FORMAT_DXT3_RGBA:
+ case PIPE_FORMAT_DXT5_RGBA:
+ case PIPE_FORMAT_RGTC1_UNORM:
+ case PIPE_FORMAT_RGTC2_UNORM:
+ case PIPE_FORMAT_ETC1_RGB8:
+ dst_glformat = GL_RGBA8;
+ break;
+ case PIPE_FORMAT_RGTC1_SNORM:
+ case PIPE_FORMAT_RGTC2_SNORM:
+ if (!ctx->Extensions.EXT_texture_snorm)
+ goto fallback;
+ dst_glformat = GL_RGBA8_SNORM;
+ break;
+ /* TODO: for BPTC_*FLOAT, set RGBA32F and check for ARB_texture_float */
+ default:
+ assert(0);
+ goto fallback;
+ }
+
+ dst_format = st_choose_format(st, dst_glformat, format, type,
+ pipe_target, 0, bind, FALSE);
+
+ if (dst_format == PIPE_FORMAT_NONE) {
+ /* unable to get an rgba format!?! */
+ goto fallback;
+ }
}
/* create the destination texture */
memset(&dst_templ, 0, sizeof(dst_templ));
dst_templ.target = pipe_target;
- dst_templ.format = pipe_format;
+ dst_templ.format = dst_format;
dst_templ.bind = bind;
dst_templ.usage = PIPE_USAGE_STAGING;
dst = screen->resource_create(screen, &dst_templ);
if (!dst) {
- _mesa_problem(ctx, "%s: cannot create a temporary texture", __func__);
- return;
+ goto fallback;
+ }
+
+ /* From now on, we need the gallium representation of dimensions. */
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ depth = height;
+ height = 1;
}
blit.src.resource = src;
blit.src.level = texImage->Level;
- blit.src.format = util_format_linear(src->format);
+ blit.src.format = src_format;
blit.dst.resource = dst;
blit.dst.level = 0;
blit.dst.format = dst->format;
blit.src.box.width = blit.dst.box.width = width;
blit.src.box.height = blit.dst.box.height = height;
blit.src.box.depth = blit.dst.box.depth = depth;
- blit.mask = PIPE_MASK_RGBA;
+ blit.mask = st_get_blit_mask(texImage->_BaseFormat, format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
blit.scissor_enable = FALSE;
goto end;
}
- mesa_format = st_pipe_format_to_mesa_format(pipe_format);
+ mesa_format = st_pipe_format_to_mesa_format(dst_format);
/* copy/pack data into user buffer */
if (_mesa_format_matches_format_and_type(mesa_format, format, type,
ctx->Pack.SwapBytes)) {
/* memcpy */
- const uint bytesPerRow = width * util_format_get_blocksize(pipe_format);
+ const uint bytesPerRow = width * util_format_get_blocksize(dst_format);
GLuint row, slice;
for (slice = 0; slice < depth; slice++) {
- ubyte *slice_map = map;
-
- for (row = 0; row < height; row++) {
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ /* 1D array textures.
+ * We need to convert gallium coords to GL coords.
+ */
GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
- width, height, format,
- type, slice, row, 0);
- memcpy(dest, slice_map, bytesPerRow);
- slice_map += tex_xfer->stride;
+ width, depth, format,
+ type, 0, slice, 0);
+ memcpy(dest, map, bytesPerRow);
+ }
+ else {
+ ubyte *slice_map = map;
+
+ for (row = 0; row < height; row++) {
+ GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
+ width, height, format,
+ type, slice, row, 0);
+ memcpy(dest, slice_map, bytesPerRow);
+ slice_map += tex_xfer->stride;
+ }
}
map += tex_xfer->layer_stride;
}
else {
/* format translation via floats */
GLuint row, slice;
- enum pipe_format pformat = util_format_linear(dst->format);
GLfloat *rgba;
+ assert(util_format_is_compressed(src->format));
+
rgba = malloc(width * 4 * sizeof(GLfloat));
if (!rgba) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()");
goto end;
}
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s: fallback format translation\n", __FUNCTION__);
+
for (slice = 0; slice < depth; slice++) {
- for (row = 0; row < height; row++) {
- const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ /* 1D array textures.
+ * We need to convert gallium coords to GL coords.
+ */
GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
- width, height, format,
- type, slice, row, 0);
-
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s: fallback format translation\n", __FUNCTION__);
+ width, depth, format,
+ type, 0, slice, 0);
/* get float[4] rgba row from surface */
- pipe_get_tile_rgba_format(tex_xfer, map, 0, row, width, 1,
- pformat, rgba);
+ pipe_get_tile_rgba_format(tex_xfer, map, 0, 0, width, 1,
+ dst_format, rgba);
_mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
- type, dest, &ctx->Pack, transferOps);
+ type, dest, &ctx->Pack, 0);
+ }
+ else {
+ for (row = 0; row < height; row++) {
+ GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
+ width, height, format,
+ type, slice, row, 0);
+
+ /* get float[4] rgba row from surface */
+ pipe_get_tile_rgba_format(tex_xfer, map, 0, row, width, 1,
+ dst_format, rgba);
+
+ _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
+ type, dest, &ctx->Pack, 0);
+ }
}
map += tex_xfer->layer_stride;
}
free(rgba);
}
+ done = TRUE;
end:
if (map)
_mesa_unmap_pbo_dest(ctx, &ctx->Pack);
pipe_resource_reference(&dst, NULL);
-}
-
-
-/**
- * Called via ctx->Driver.GetTexImage()
- */
-static void
-st_GetTexImage(struct gl_context * ctx,
- GLenum format, GLenum type, GLvoid * pixels,
- struct gl_texture_image *texImage)
-{
- struct st_texture_image *stImage = st_texture_image(texImage);
-
- if (stImage->pt && util_format_is_s3tc(stImage->pt->format)) {
- /* Need to decompress the texture.
- * We'll do this by rendering a textured quad (which is hopefully
- * faster than using the fallback code in texcompress.c).
- * Note that we only expect RGBA formats (no Z/depth formats).
- */
- decompress_with_blit(ctx, format, type, pixels, texImage);
- }
- else {
+fallback:
+ if (!done) {
_mesa_get_teximage(ctx, format, type, pixels, texImage);
}
}
struct st_renderbuffer *strb,
struct st_texture_image *stImage,
GLenum baseFormat,
- GLint destX, GLint destY, GLint destZ,
+ GLint destX, GLint destY, GLint slice,
GLint srcX, GLint srcY,
GLsizei width, GLsizei height)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_transfer *src_trans;
- GLvoid *texDest;
+ GLubyte *texDest;
enum pipe_transfer_usage transfer_usage;
void *map;
unsigned dst_width = width;
srcY = strb->Base.Height - srcY - height;
}
- if (stImage->pt->target == PIPE_TEXTURE_1D_ARRAY) {
- /* Move y/height to z/depth for 1D array textures. */
- destZ = destY;
- destY = 0;
- dst_depth = dst_height;
- dst_height = 1;
- }
-
map = pipe_transfer_map(pipe,
strb->texture,
strb->rtt_level,
transfer_usage = PIPE_TRANSFER_WRITE;
texDest = st_texture_image_map(st, stImage, transfer_usage,
- destX, destY, destZ,
+ destX, destY, slice,
dst_width, dst_height, dst_depth);
if (baseFormat == GL_DEPTH_COMPONENT ||
texImage->_BaseFormat,
texImage->TexFormat,
dstRowStride,
- (GLubyte **) &texDest,
+ &texDest,
width, height, 1,
GL_RGBA, GL_FLOAT, tempSrc, /* src */
&unpack);
}
-
-/**
- * If the format of the src renderbuffer and the format of the dest
- * texture are compatible (in terms of blitting), return a TGSI writemask
- * to be used during the blit.
- * If the src/dest are incompatible, return 0.
- */
-static unsigned
-compatible_src_dst_formats(struct gl_context *ctx,
- const struct gl_renderbuffer *src,
- const struct gl_texture_image *dst)
-{
- /* Get logical base formats for the src and dest.
- * That is, use the user-requested formats and not the actual, device-
- * chosen formats.
- * For example, the user may have requested an A8 texture but the
- * driver may actually be using an RGBA texture format. When we
- * copy/blit to that texture, we only want to copy the Alpha channel
- * and not the RGB channels.
- *
- * Similarly, when the src FBO was created an RGB format may have been
- * requested but the driver actually chose an RGBA format. In that case,
- * we don't want to copy the undefined Alpha channel to the dest texture
- * (it should be 1.0).
- */
- const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat);
- const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat);
-
- /**
- * XXX when we have red-only and red/green renderbuffers we'll need
- * to add more cases here (or implement a general-purpose routine that
- * queries the existance of the R,G,B,A channels in the src and dest).
- */
- if (srcFormat == dstFormat) {
- /* This is the same as matching_base_formats, which should
- * always pass, as it did previously.
- */
- return TGSI_WRITEMASK_XYZW;
- }
- else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) {
- /* Make sure that A in the dest is 1. The actual src format
- * may be RGBA and have undefined A values.
- */
- return TGSI_WRITEMASK_XYZ;
- }
- else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) {
- /* Make sure that A in the dest is 1. The actual dst format
- * may be RGBA and will need A=1 to provide proper alpha values
- * when sampled later.
- */
- return TGSI_WRITEMASK_XYZ;
- }
- else {
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s failed for src %s, dst %s\n",
- __FUNCTION__,
- _mesa_lookup_enum_by_nr(srcFormat),
- _mesa_lookup_enum_by_nr(dstFormat));
-
- /* Otherwise fail.
- */
- return 0;
- }
-}
-
-
-
/**
* Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
* Note that the region to copy has already been clipped so we know we
static void
st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
struct gl_texture_image *texImage,
- GLint destX, GLint destY, GLint destZ,
+ GLint destX, GLint destY, GLint slice,
struct gl_renderbuffer *rb,
GLint srcX, GLint srcY, GLsizei width, GLsizei height)
{
struct st_texture_image *stImage = st_texture_image(texImage);
- const GLenum texBaseFormat = texImage->_BaseFormat;
+ struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
struct st_renderbuffer *strb = st_renderbuffer(rb);
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
- enum pipe_format dest_format, src_format;
- GLuint color_writemask;
- struct pipe_surface *dest_surface = NULL;
+ struct pipe_blit_info blit;
+ enum pipe_format dst_format;
GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP);
- struct pipe_surface surf_tmpl;
- unsigned dst_usage;
- unsigned blit_mask;
+ unsigned bind;
GLint srcY0, srcY1;
- /* make sure finalize_textures has been called?
- */
- if (0) st_validate_state(st);
-
if (!strb || !strb->surface || !stImage->pt) {
debug_printf("%s: null strb or stImage\n", __FUNCTION__);
return;
}
- assert(strb);
- assert(strb->surface);
- assert(stImage->pt);
-
- src_format = strb->surface->format;
- dest_format = stImage->pt->format;
-
- if (do_flip) {
- srcY1 = strb->Base.Height - srcY - height;
- srcY0 = srcY1 + height;
- }
- else {
- srcY0 = srcY;
- srcY1 = srcY0 + height;
+ if (_mesa_texstore_needs_transfer_ops(ctx, texImage->_BaseFormat,
+ texImage->TexFormat)) {
+ goto fallback;
}
- if (ctx->_ImageTransferState) {
+ /* The base internal format must match the mesa format, so make sure
+ * e.g. an RGB internal format is really allocated as RGB and not as RGBA.
+ */
+ if (texImage->_BaseFormat !=
+ _mesa_get_format_base_format(texImage->TexFormat) ||
+ rb->_BaseFormat != _mesa_get_format_base_format(rb->Format)) {
goto fallback;
}
- /* Compressed and subsampled textures aren't supported for blitting. */
- if (!util_format_is_plain(dest_format)) {
- goto fallback;
+ /* Choose the destination format to match the TexImage behavior. */
+ dst_format = util_format_linear(stImage->pt->format);
+ dst_format = util_format_luminance_to_red(dst_format);
+ dst_format = util_format_intensity_to_red(dst_format);
+
+ /* See if the destination format is supported. */
+ if (texImage->_BaseFormat == GL_DEPTH_STENCIL ||
+ texImage->_BaseFormat == GL_DEPTH_COMPONENT) {
+ bind = PIPE_BIND_DEPTH_STENCIL;
+ }
+ else {
+ bind = PIPE_BIND_RENDER_TARGET;
}
- if (texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
- /* 1D arrays might be thought of as 2D images but the actual layout
- * might not be that way. At some points, we convert OpenGL's 1D
- * array 'height' into gallium 'layers' and that prevents the blit
- * utility code from doing the right thing. Simpy use the memcpy-based
- * fallback.
- */
+ if (!dst_format ||
+ !screen->is_format_supported(screen, dst_format, stImage->pt->target,
+ stImage->pt->nr_samples, bind)) {
goto fallback;
}
- /* Set the blit writemask. */
- switch (texBaseFormat) {
- case GL_DEPTH_STENCIL:
- switch (strb->Base._BaseFormat) {
- case GL_DEPTH_STENCIL:
- blit_mask = PIPE_MASK_ZS;
- break;
- case GL_DEPTH_COMPONENT:
- blit_mask = PIPE_MASK_Z;
- break;
- case GL_STENCIL_INDEX:
- blit_mask = PIPE_MASK_S;
- break;
- default:
- assert(0);
- return;
- }
- dst_usage = PIPE_BIND_DEPTH_STENCIL;
- break;
-
- case GL_DEPTH_COMPONENT:
- blit_mask = PIPE_MASK_Z;
- dst_usage = PIPE_BIND_DEPTH_STENCIL;
- break;
-
- default:
- /* Colorbuffers.
- *
- * Determine if the src framebuffer and dest texture have the same
- * base format. We need this to detect a case such as the framebuffer
- * being GL_RGBA but the texture being GL_RGB. If the actual hardware
- * texture format stores RGBA we need to set A=1 (overriding the
- * framebuffer's alpha values).
- *
- * XXX util_blit_pixels doesn't support MSAA resolve, so always use
- * pipe->blit
- */
- if (texBaseFormat == strb->Base._BaseFormat ||
- strb->texture->nr_samples > 1) {
- blit_mask = PIPE_MASK_RGBA;
- }
- else {
- blit_mask = 0;
- }
- dst_usage = PIPE_BIND_RENDER_TARGET;
+ /* Y flipping for the main framebuffer. */
+ if (do_flip) {
+ srcY1 = strb->Base.Height - srcY - height;
+ srcY0 = srcY1 + height;
+ }
+ else {
+ srcY0 = srcY;
+ srcY1 = srcY0 + height;
}
/* Blit the texture.
* This supports flipping, format conversions, and downsampling.
*/
- if (blit_mask) {
- /* If stImage->pt is an independent image (not a pointer into a full
- * mipmap) stImage->pt.last_level will be zero and we need to use that
- * as the dest level.
- */
- unsigned dstLevel = MIN2(stImage->base.Level, stImage->pt->last_level);
- struct pipe_blit_info blit;
-
- memset(&blit, 0, sizeof(blit));
- blit.src.resource = strb->texture;
- blit.src.format = src_format;
- blit.src.level = strb->surface->u.tex.level;
- blit.src.box.x = srcX;
- blit.src.box.y = srcY0;
- blit.src.box.z = strb->surface->u.tex.first_layer;
- blit.src.box.width = width;
- blit.src.box.height = srcY1 - srcY0;
- blit.src.box.depth = 1;
- blit.dst.resource = stImage->pt;
- blit.dst.format = dest_format;
- blit.dst.level = dstLevel;
- blit.dst.box.x = destX;
- blit.dst.box.y = destY;
- blit.dst.box.z = stImage->base.Face + destZ;
- blit.dst.box.width = width;
- blit.dst.box.height = height;
- blit.dst.box.depth = 1;
- blit.mask = blit_mask;
- blit.filter = PIPE_TEX_FILTER_NEAREST;
-
- /* try resource_copy_region in case the format is not supported
- * for rendering */
- if (util_try_blit_via_copy_region(pipe, &blit)) {
- return; /* done */
- }
-
- /* check the format support */
- if (!screen->is_format_supported(screen, src_format,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_SAMPLER_VIEW) ||
- !screen->is_format_supported(screen, dest_format,
- PIPE_TEXTURE_2D, 0,
- dst_usage)) {
- goto fallback;
- }
-
- pipe->blit(pipe, &blit);
- return;
- }
-
- /* try u_blit */
- color_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
-
- if (!color_writemask ||
- !screen->is_format_supported(screen, src_format,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_SAMPLER_VIEW) ||
- !screen->is_format_supported(screen, dest_format,
- PIPE_TEXTURE_2D, 0,
- dst_usage)) {
- goto fallback;
- }
-
- memset(&surf_tmpl, 0, sizeof(surf_tmpl));
- surf_tmpl.format = util_format_linear(stImage->pt->format);
- surf_tmpl.u.tex.level = stImage->base.Level;
- surf_tmpl.u.tex.first_layer = stImage->base.Face + destZ;
- surf_tmpl.u.tex.last_layer = stImage->base.Face + destZ;
-
- dest_surface = pipe->create_surface(pipe, stImage->pt,
- &surf_tmpl);
- util_blit_pixels(st->blit,
- strb->texture,
- strb->surface->u.tex.level,
- srcX, srcY0,
- srcX + width, srcY1,
- strb->surface->u.tex.first_layer,
- dest_surface,
- destX, destY,
- destX + width, destY + height,
- 0.0, PIPE_TEX_MIPFILTER_NEAREST,
- color_writemask, 0);
- pipe_surface_reference(&dest_surface, NULL);
+ memset(&blit, 0, sizeof(blit));
+ blit.src.resource = strb->texture;
+ blit.src.format = util_format_linear(strb->surface->format);
+ blit.src.level = strb->surface->u.tex.level;
+ blit.src.box.x = srcX;
+ blit.src.box.y = srcY0;
+ blit.src.box.z = strb->surface->u.tex.first_layer;
+ blit.src.box.width = width;
+ blit.src.box.height = srcY1 - srcY0;
+ blit.src.box.depth = 1;
+ blit.dst.resource = stImage->pt;
+ blit.dst.format = dst_format;
+ blit.dst.level = stObj->pt != stImage->pt ? 0 : texImage->Level;
+ blit.dst.box.x = destX;
+ blit.dst.box.y = destY;
+ blit.dst.box.z = stImage->base.Face + slice;
+ blit.dst.box.width = width;
+ blit.dst.box.height = height;
+ blit.dst.box.depth = 1;
+ blit.mask = st_get_blit_mask(rb->_BaseFormat, texImage->_BaseFormat);
+ blit.filter = PIPE_TEX_FILTER_NEAREST;
+ pipe->blit(pipe, &blit);
return;
fallback:
/* software fallback */
fallback_copy_texsubimage(ctx,
- strb, stImage, texBaseFormat,
- destX, destY, destZ,
+ strb, stImage, texImage->_BaseFormat,
+ destX, destY, slice,
srcX, srcY, width, height);
}
GLuint face;
struct st_texture_image *firstImage;
enum pipe_format firstImageFormat;
- GLuint ptWidth, ptHeight, ptDepth, ptLayers;
+ GLuint ptWidth, ptHeight, ptDepth, ptLayers, ptNumSamples;
if (_mesa_is_texture_complete(tObj, &tObj->Sampler)) {
/* The texture is complete and we know exactly how many mipmap levels
pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
}
+ /* If this texture comes from a window system, there is nothing else to do. */
+ if (stObj->surface_based) {
+ return GL_TRUE;
+ }
+
/* Find gallium format for the Mesa texture */
firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat);
/* convert GL dims to Gallium dims */
st_gl_texture_dims_to_pipe_dims(stObj->base.Target, width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
+ ptNumSamples = firstImage->base.NumSamples;
}
/* If we already have a gallium texture, check that it matches the texture
*/
if (stObj->pt) {
if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) ||
- !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) ||
+ stObj->pt->format != firstImageFormat ||
stObj->pt->last_level < stObj->lastLevel ||
stObj->pt->width0 != ptWidth ||
stObj->pt->height0 != ptHeight ||
stObj->pt->depth0 != ptDepth ||
+ stObj->pt->nr_samples != ptNumSamples ||
stObj->pt->array_size != ptLayers)
{
/* The gallium texture does not match the Mesa texture so delete the
ptWidth,
ptHeight,
ptDepth,
- ptLayers,
+ ptLayers, ptNumSamples,
bindings);
if (!stObj->pt) {
GLsizei height, GLsizei depth)
{
const GLuint numFaces = _mesa_num_tex_faces(texObj->Target);
+ struct gl_texture_image *texImage = texObj->Image[0][0];
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
+ struct pipe_screen *screen = st->pipe->screen;
GLuint ptWidth, ptHeight, ptDepth, ptLayers, bindings;
enum pipe_format fmt;
GLint level;
+ GLuint num_samples = texImage->NumSamples;
assert(levels > 0);
stObj->depth0 = depth;
stObj->lastLevel = levels - 1;
- fmt = st_mesa_format_to_pipe_format(texObj->Image[0][0]->TexFormat);
+ fmt = st_mesa_format_to_pipe_format(texImage->TexFormat);
bindings = default_bindings(st, fmt);
+ /* Raise the sample count if the requested one is unsupported. */
+ if (num_samples > 1) {
+ boolean found = FALSE;
+
+ for (; num_samples <= ctx->Const.MaxSamples; num_samples++) {
+ if (screen->is_format_supported(screen, fmt, PIPE_TEXTURE_2D,
+ num_samples,
+ PIPE_BIND_SAMPLER_VIEW)) {
+ /* Update the sample count in gl_texture_image as well. */
+ texImage->NumSamples = num_samples;
+ found = TRUE;
+ break;
+ }
+ }
+
+ if (!found) {
+ return GL_FALSE;
+ }
+ }
+
st_gl_texture_dims_to_pipe_dims(texObj->Target,
width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
stObj->pt = st_texture_create(st,
gl_target_to_pipe(texObj->Target),
fmt,
- levels,
+ levels - 1,
ptWidth,
ptHeight,
ptDepth,
- ptLayers,
+ ptLayers, num_samples,
bindings);
if (!stObj->pt)
return GL_FALSE;
st_init_texture_functions(struct dd_function_table *functions)
{
functions->ChooseTextureFormat = st_ChooseTextureFormat;
+ functions->QuerySamplesForFormat = st_QuerySamplesForFormat;
functions->TexImage = st_TexImage;
- functions->TexSubImage = _mesa_store_texsubimage;
+ functions->TexSubImage = st_TexSubImage;
functions->CompressedTexSubImage = _mesa_store_compressed_texsubimage;
functions->CopyTexSubImage = st_CopyTexSubImage;
functions->GenerateMipmap = st_generate_mipmap;