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-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_rasterizer.c14
-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_viewport.c4
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_accum.c17
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_drawpixels.c10
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_fbo.c2
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_readpixels.c20
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_texture.c8
7 files changed, 51 insertions, 24 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_rasterizer.c b/mesalib/src/mesa/state_tracker/st_atom_rasterizer.c
index 4936385d2..4fad1f297 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_rasterizer.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_rasterizer.c
@@ -70,14 +70,16 @@ static void update_raster_state( struct st_context *st )
{
raster->front_ccw = (ctx->Polygon.FrontFace == GL_CCW);
- /* XXX
- * I think the intention here is that user-created framebuffer objects
- * use Y=0=TOP layout instead of OpenGL's normal Y=0=bottom layout.
- * Flipping Y changes CW to CCW and vice-versa.
- * But this is an implementation/driver-specific artifact - remove...
+ /*
+ * Gallium's surfaces are Y=0=TOP orientation. OpenGL is the
+ * opposite. Window system surfaces are Y=0=TOP. Mesa's FBOs
+ * must match OpenGL conventions so FBOs use Y=0=BOTTOM. In that
+ * case, we must invert Y and flip the notion of front vs. back.
*/
- if (ctx->DrawBuffer && ctx->DrawBuffer->Name != 0)
+ if (st_fb_orientation(ctx->DrawBuffer) == Y_0_BOTTOM) {
+ /* Drawing to an FBO. The viewport will be inverted. */
raster->front_ccw ^= 1;
+ }
}
/* _NEW_LIGHT
diff --git a/mesalib/src/mesa/state_tracker/st_atom_viewport.c b/mesalib/src/mesa/state_tracker/st_atom_viewport.c
index 0cde4d0ec..df26fb4a6 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_viewport.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_viewport.c
@@ -47,10 +47,14 @@ update_viewport( struct st_context *st )
/* _NEW_BUFFERS
*/
if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
+ /* Drawing to a window. The corresponding gallium surface uses
+ * Y=0=TOP but OpenGL is Y=0=BOTTOM. So we need to invert the viewport.
+ */
yScale = -1;
yBias = (GLfloat)ctx->DrawBuffer->Height;
}
else {
+ /* Drawing to an FBO where Y=0=BOTTOM, like OpenGL - don't invert */
yScale = 1.0;
yBias = 0.0;
}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_accum.c b/mesalib/src/mesa/state_tracker/st_cb_accum.c
index d4185b7e2..66e5312d9 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_accum.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_accum.c
@@ -42,6 +42,7 @@
#include "st_texture.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
+#include "util/u_format.h"
#include "util/u_inlines.h"
#include "util/u_tile.h"
@@ -146,7 +147,9 @@ accum_accum(struct st_context *st, GLfloat value,
buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
+ pipe_get_tile_rgba_format(pipe, color_trans, 0, 0, width, height,
+ util_format_linear(color_strb->texture->format),
+ buf);
switch (acc_strb->format) {
case PIPE_FORMAT_R16G16B16A16_SNORM:
@@ -183,7 +186,6 @@ accum_load(struct st_context *st, GLfloat value,
GLubyte *data = acc_strb->data;
GLfloat *buf;
-
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback processing\n", __FUNCTION__);
@@ -194,7 +196,9 @@ accum_load(struct st_context *st, GLfloat value,
buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
+ pipe_get_tile_rgba_format(pipe, color_trans, 0, 0, width, height,
+ util_format_linear(color_strb->texture->format),
+ buf);
switch (acc_strb->format) {
case PIPE_FORMAT_R16G16B16A16_SNORM:
@@ -232,6 +236,7 @@ accum_return(struct gl_context *ctx, GLfloat value,
size_t stride = acc_strb->stride;
const GLubyte *data = acc_strb->data;
GLfloat *buf;
+ enum pipe_format format = util_format_linear(color_strb->texture->format);
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback processing\n", __FUNCTION__);
@@ -250,7 +255,8 @@ accum_return(struct gl_context *ctx, GLfloat value,
width, height);
if (usage & PIPE_TRANSFER_READ)
- pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
+ pipe_get_tile_rgba_format(pipe, color_trans, 0, 0, width, height,
+ format, buf);
switch (acc_strb->format) {
case PIPE_FORMAT_R16G16B16A16_SNORM:
@@ -279,7 +285,8 @@ accum_return(struct gl_context *ctx, GLfloat value,
_mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
}
- pipe_put_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
+ pipe_put_tile_rgba_format(pipe, color_trans, 0, 0, width, height,
+ format, buf);
free(buf);
pipe->transfer_destroy(pipe, color_trans);
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index c4906d25d..8d3eece4d 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -1302,9 +1302,13 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
if (type == GL_COLOR) {
/* alternate path using get/put_tile() */
GLfloat *buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- pipe_get_tile_rgba(pipe, ptRead, readX, readY, readW, readH, buf);
- pipe_put_tile_rgba(pipe, ptTex, pack.SkipPixels, pack.SkipRows,
- readW, readH, buf);
+ enum pipe_format readFormat, drawFormat;
+ readFormat = util_format_linear(rbRead->texture->format);
+ drawFormat = util_format_linear(pt->format);
+ pipe_get_tile_rgba_format(pipe, ptRead, readX, readY, readW, readH,
+ readFormat, buf);
+ pipe_put_tile_rgba_format(pipe, ptTex, pack.SkipPixels, pack.SkipRows,
+ readW, readH, drawFormat, buf);
free(buf);
}
else {
diff --git a/mesalib/src/mesa/state_tracker/st_cb_fbo.c b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
index fa1e35de0..3c73c24c5 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_fbo.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
@@ -390,7 +390,7 @@ st_render_texture(struct gl_context *ctx,
/* new surface for rendering into the texture */
memset(&surf_tmpl, 0, sizeof(surf_tmpl));
- surf_tmpl.format = strb->texture->format;
+ surf_tmpl.format = util_format_linear(strb->texture->format);
surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
surf_tmpl.u.tex.level = strb->rtt_level;
surf_tmpl.u.tex.first_layer = strb->rtt_face + strb->rtt_slice;
diff --git a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
index a03e53a50..570873916 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
@@ -41,6 +41,7 @@
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
+#include "util/u_format.h"
#include "util/u_inlines.h"
#include "util/u_tile.h"
@@ -336,6 +337,7 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
struct st_renderbuffer *strb;
struct gl_pixelstore_attrib clippedPacking = *pack;
struct pipe_transfer *trans;
+ enum pipe_format pformat;
assert(ctx->ReadBuffer->Width > 0);
@@ -421,6 +423,9 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
yStep = 1;
}
+ /* possibly convert sRGB format to linear RGB format */
+ pformat = util_format_linear(trans->resource->format);
+
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback processing\n", __FUNCTION__);
@@ -435,8 +440,8 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
const GLint dstStride = _mesa_image_row_stride(&clippedPacking, width,
format, type);
- if (trans->resource->format == PIPE_FORMAT_Z24_UNORM_S8_USCALED ||
- trans->resource->format == PIPE_FORMAT_Z24X8_UNORM) {
+ if (pformat == PIPE_FORMAT_Z24_UNORM_S8_USCALED ||
+ pformat == PIPE_FORMAT_Z24X8_UNORM) {
if (format == GL_DEPTH_COMPONENT) {
for (i = 0; i < height; i++) {
GLuint ztemp[MAX_WIDTH];
@@ -467,8 +472,8 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
}
}
}
- else if (trans->resource->format == PIPE_FORMAT_S8_USCALED_Z24_UNORM ||
- trans->resource->format == PIPE_FORMAT_X8Z24_UNORM) {
+ else if (pformat == PIPE_FORMAT_S8_USCALED_Z24_UNORM ||
+ pformat == PIPE_FORMAT_X8Z24_UNORM) {
if (format == GL_DEPTH_COMPONENT) {
for (i = 0; i < height; i++) {
GLuint ztemp[MAX_WIDTH];
@@ -494,7 +499,7 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
}
}
}
- else if (trans->resource->format == PIPE_FORMAT_Z16_UNORM) {
+ else if (pformat == PIPE_FORMAT_Z16_UNORM) {
for (i = 0; i < height; i++) {
GLushort ztemp[MAX_WIDTH];
GLfloat zfloat[MAX_WIDTH];
@@ -509,7 +514,7 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
dst += dstStride;
}
}
- else if (trans->resource->format == PIPE_FORMAT_Z32_UNORM) {
+ else if (pformat == PIPE_FORMAT_Z32_UNORM) {
for (i = 0; i < height; i++) {
GLuint ztemp[MAX_WIDTH];
GLfloat zfloat[MAX_WIDTH];
@@ -528,7 +533,8 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
/* RGBA format */
/* Do a row at a time to flip image data vertically */
for (i = 0; i < height; i++) {
- pipe_get_tile_rgba(pipe, trans, 0, y, width, 1, df);
+ pipe_get_tile_rgba_format(pipe, trans, 0, y, width, 1,
+ pformat, df);
y += yStep;
df += dfStride;
if (!dfStride) {
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index 000765f2e..b60ac72e4 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -918,6 +918,7 @@ decompress_with_blit(struct gl_context * ctx, GLenum target, GLint level,
else {
/* format translation via floats */
GLuint row;
+ enum pipe_format format = util_format_linear(dst_texture->format);
for (row = 0; row < height; row++) {
const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
GLfloat rgba[4 * MAX_WIDTH];
@@ -928,7 +929,8 @@ decompress_with_blit(struct gl_context * ctx, GLenum target, GLint level,
debug_printf("%s: fallback format translation\n", __FUNCTION__);
/* get float[4] rgba row from surface */
- pipe_get_tile_rgba(pipe, tex_xfer, 0, row, width, 1, rgba);
+ pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1,
+ format, rgba);
_mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
type, dest, &ctx->Pack, transferOps);
@@ -1387,7 +1389,9 @@ fallback_copy_texsubimage(struct gl_context *ctx, GLenum target, GLint level,
/* XXX this usually involves a lot of int/float conversion.
* try to avoid that someday.
*/
- pipe_get_tile_rgba(pipe, src_trans, 0, 0, width, height, tempSrc);
+ pipe_get_tile_rgba_format(pipe, src_trans, 0, 0, width, height,
+ util_format_linear(strb->texture->format),
+ tempSrc);
/* Store into texture memory.
* Note that this does some special things such as pixel transfer
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 02:32:40 +0000