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path: root/src/mesa/state_tracker/st_cb_drawpixels.c
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Diffstat (limited to 'src/mesa/state_tracker/st_cb_drawpixels.c')
-rw-r--r--src/mesa/state_tracker/st_cb_drawpixels.c70
1 files changed, 55 insertions, 15 deletions
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index e2d4e06da1..65c9fda9cb 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -456,6 +456,7 @@ make_texture(struct st_context *st,
{
GLcontext *ctx = st->ctx;
struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
const struct gl_texture_format *mformat;
struct pipe_texture *pt;
enum pipe_format pipeFormat;
@@ -493,7 +494,7 @@ make_texture(struct st_context *st,
/* we'll do pixel transfer in a fragment shader */
ctx->_ImageTransferState = 0x0;
- surface = pipe->get_tex_surface(pipe, pt, 0, 0, 0);
+ surface = screen->get_tex_surface(screen, pt, 0, 0, 0);
/* map texture surface */
dest = pipe_surface_map(surface);
@@ -649,7 +650,7 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
/* XXX if DrawPixels image is larger than max texture size, break
* it up into chunks.
*/
- maxSize = 1 << (pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
+ maxSize = 1 << (pipe->screen->get_param(pipe->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
assert(width <= maxSize);
assert(height <= maxSize);
@@ -972,7 +973,7 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
draw_textured_quad(ctx, x, y, ctx->Current.RasterPos[2],
width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
pt, stvp, stfp, color, GL_FALSE);
- st->pipe->texture_release(st->pipe, &pt);
+ pipe_texture_reference(&pt, NULL);
}
}
else {
@@ -992,6 +993,7 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height,
const GLubyte *bitmap)
{
struct pipe_context *pipe = ctx->st->pipe;
+ struct pipe_screen *screen = pipe->screen;
struct pipe_surface *surface;
uint format = 0, cpp, comp;
ubyte *dest;
@@ -999,12 +1001,12 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height,
int row, col;
/* find a texture format we know */
- if (pipe->is_format_supported( pipe, PIPE_FORMAT_U_I8, PIPE_TEXTURE )) {
+ if (screen->is_format_supported( screen, PIPE_FORMAT_U_I8, PIPE_TEXTURE )) {
format = PIPE_FORMAT_U_I8;
cpp = 1;
comp = 0;
}
- else if (pipe->is_format_supported( pipe, PIPE_FORMAT_A8R8G8B8_UNORM, PIPE_TEXTURE )) {
+ else if (screen->is_format_supported( screen, PIPE_FORMAT_A8R8G8B8_UNORM, PIPE_TEXTURE )) {
format = PIPE_FORMAT_A8R8G8B8_UNORM;
cpp = 4;
comp = 3; /* alpha channel */ /*XXX little-endian dependency */
@@ -1029,7 +1031,7 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height,
printf("st_Bitmap (sourcing from PBO not implemented yet)\n");
}
- surface = pipe->get_tex_surface(pipe, pt, 0, 0, 0);
+ surface = screen->get_tex_surface(screen, pt, 0, 0, 0);
/* map texture surface */
dest = pipe_surface_map(surface);
@@ -1123,7 +1125,7 @@ st_Bitmap(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
pt, stvp, stfp,
ctx->Current.RasterColor, GL_FALSE);
- st->pipe->texture_release(st->pipe, &pt);
+ pipe_texture_reference(&pt, NULL);
}
}
@@ -1205,6 +1207,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
{
struct st_context *st = ctx->st;
struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
struct st_renderbuffer *rbRead;
struct st_vertex_program *stvp;
struct st_fragment_program *stfp;
@@ -1212,7 +1215,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
struct pipe_surface *psTex;
struct pipe_texture *pt;
GLfloat *color;
- uint format;
+ enum pipe_format srcFormat, texFormat;
/* make sure rendering has completed */
pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE);
@@ -1232,6 +1235,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
stvp = st_make_passthrough_vertex_shader(ctx->st, GL_FALSE);
}
else {
+ assert(type == GL_DEPTH);
rbRead = st_renderbuffer(ctx->ReadBuffer->_DepthBuffer);
color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
stfp = make_fragment_shader_z(ctx->st);
@@ -1239,14 +1243,43 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
}
psRead = rbRead->surface;
- format = psRead->format;
+ srcFormat = psRead->format;
- pt = st_texture_create(ctx->st, PIPE_TEXTURE_2D, format, 0, width, height,
- 1, 0);
+ if (screen->is_format_supported(screen, srcFormat, PIPE_TEXTURE)) {
+ texFormat = srcFormat;
+ }
+ else {
+ /* srcFormat can't be used as a texture format */
+ if (type == GL_DEPTH) {
+ static const enum pipe_format zFormats[] = {
+ PIPE_FORMAT_Z16_UNORM,
+ PIPE_FORMAT_Z32_UNORM,
+ PIPE_FORMAT_S8Z24_UNORM,
+ PIPE_FORMAT_Z24S8_UNORM
+ };
+ uint i;
+ texFormat = 0;
+ for (i = 0; i < Elements(zFormats); i++) {
+ if (screen->is_format_supported(screen, zFormats[i],
+ PIPE_TEXTURE)) {
+ texFormat = zFormats[i];
+ break;
+ }
+ }
+ assert(texFormat); /* XXX no depth texture formats??? */
+ }
+ else {
+ /* todo */
+ assert(0);
+ }
+ }
+
+ pt = st_texture_create(ctx->st, PIPE_TEXTURE_2D, texFormat, 0,
+ width, height, 1, 0);
if (!pt)
return;
- psTex = pipe->get_tex_surface(pipe, pt, 0, 0, 0);
+ psTex = screen->get_tex_surface(screen, pt, 0, 0, 0);
if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
srcy = ctx->DrawBuffer->Height - srcy - height;
@@ -1256,7 +1289,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
* front/back color buffers as surfaces (they're XImages and Pixmaps).
* So, this var tells us if we can use surface_copy here...
*/
- if (st->haveFramebufferSurfaces) {
+ if (st->haveFramebufferSurfaces && srcFormat == texFormat) {
/* copy source framebuffer surface into mipmap/texture */
pipe->surface_copy(pipe,
FALSE,
@@ -1265,7 +1298,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
psRead,
srcx, srcy, width, height);
}
- else {
+ else if (type == GL_COLOR) {
/* alternate path using get/put_tile() */
GLfloat *buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
@@ -1274,6 +1307,13 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
free(buf);
}
+ else {
+ /* GL_DEPTH */
+ GLuint *buf = (GLuint *) malloc(width * height * sizeof(GLuint));
+ pipe_get_tile_z(pipe, psRead, srcx, srcy, width, height, buf);
+ pipe_put_tile_z(pipe, psTex, 0, 0, width, height, buf);
+ free(buf);
+ }
/* draw textured quad */
draw_textured_quad(ctx, dstx, dsty, ctx->Current.RasterPos[2],
@@ -1281,7 +1321,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
pt, stvp, stfp, color, GL_TRUE);
pipe_surface_reference(&psTex, NULL);
- st->pipe->texture_release(st->pipe, &pt);
+ pipe_texture_reference(&pt, NULL);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-07 10:48:09 +0000