diff options
Diffstat (limited to 'src/mesa/state_tracker/st_cb_readpixels.c')
-rw-r--r-- | src/mesa/state_tracker/st_cb_readpixels.c | 78 |
1 files changed, 36 insertions, 42 deletions
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c index 952d9ce915..67c3b9adbb 100644 --- a/src/mesa/state_tracker/st_cb_readpixels.c +++ b/src/mesa/state_tracker/st_cb_readpixels.c @@ -45,9 +45,9 @@ #include "st_debug.h" #include "st_context.h" +#include "st_atom.h" #include "st_cb_readpixels.h" #include "st_cb_fbo.h" -#include "st_public.h" #include "st_texture.h" #include "st_inlines.h" @@ -63,7 +63,7 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y, GLvoid *pixels) { struct gl_framebuffer *fb = ctx->ReadBuffer; - struct pipe_screen *screen = ctx->st->pipe->screen; + struct pipe_context *pipe = ctx->st->pipe; struct st_renderbuffer *strb = st_renderbuffer(fb->_StencilBuffer); struct pipe_transfer *pt; ubyte *stmap; @@ -81,7 +81,7 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y, width, height); /* map the stencil buffer */ - stmap = screen->transfer_map(screen, pt); + stmap = pipe_transfer_map(pipe, pt); /* width should never be > MAX_WIDTH since we did clipping earlier */ ASSERT(width <= MAX_WIDTH); @@ -101,14 +101,14 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y, } /* get stencil (and Z) values */ - switch (pt->texture->format) { - case PIPE_FORMAT_S8_UNORM: + switch (pt->resource->format) { + case PIPE_FORMAT_S8_USCALED: { const ubyte *src = stmap + srcY * pt->stride; memcpy(sValues, src, width); } break; - case PIPE_FORMAT_Z24S8_UNORM: + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: if (format == GL_DEPTH_STENCIL) { const uint *src = (uint *) (stmap + srcY * pt->stride); const GLfloat scale = 1.0f / (0xffffff); @@ -126,7 +126,7 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y, } } break; - case PIPE_FORMAT_S8Z24_UNORM: + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: if (format == GL_DEPTH_STENCIL) { const uint *src = (uint *) (stmap + srcY * pt->stride); const GLfloat scale = 1.0f / (0xffffff); @@ -161,15 +161,14 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y, } /* unmap the stencil buffer */ - screen->transfer_unmap(screen, pt); - screen->tex_transfer_destroy(pt); + pipe_transfer_unmap(pipe, pt); + pipe->transfer_destroy(pipe, pt); } /** * Return renderbuffer to use for reading color pixels for glRead/CopyPixel * commands. - * Special care is needed for the front buffer. */ struct st_renderbuffer * st_get_color_read_renderbuffer(GLcontext *ctx) @@ -177,18 +176,6 @@ st_get_color_read_renderbuffer(GLcontext *ctx) struct gl_framebuffer *fb = ctx->ReadBuffer; struct st_renderbuffer *strb = st_renderbuffer(fb->_ColorReadBuffer); - struct st_renderbuffer *front = - st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); - - if (strb == front - && ctx->st->frontbuffer_status == FRONT_STATUS_COPY_OF_BACK) { - /* reading from front color buffer, which is a logical copy of the - * back color buffer. - */ - struct st_renderbuffer *back = - st_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer); - strb = back; - } return strb; } @@ -234,13 +221,13 @@ st_fast_readpixels(GLcontext *ctx, struct st_renderbuffer *strb, { struct pipe_context *pipe = ctx->st->pipe; - struct pipe_screen *screen = pipe->screen; struct pipe_transfer *trans; const GLubyte *map; GLubyte *dst; GLint row, col, dy, dstStride; if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + /* convert GL Y to Gallium Y */ y = strb->texture->height0 - y - height; } @@ -252,17 +239,22 @@ st_fast_readpixels(GLcontext *ctx, struct st_renderbuffer *strb, return GL_FALSE; } - map = screen->transfer_map(screen, trans); + map = pipe_transfer_map(pipe, trans); if (!map) { - screen->tex_transfer_destroy(trans); + pipe->transfer_destroy(pipe, trans); return GL_FALSE; } + /* We always write to the user/dest buffer from low addr to high addr + * but the read order depends on renderbuffer orientation + */ if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + /* read source rows from bottom to top */ y = height - 1; dy = -1; } else { + /* read source rows from top to bottom */ y = 0; dy = 1; } @@ -311,8 +303,8 @@ st_fast_readpixels(GLcontext *ctx, struct st_renderbuffer *strb, ; /* nothing */ } - screen->transfer_unmap(screen, trans); - screen->tex_transfer_destroy(trans); + pipe_transfer_unmap(pipe, trans); + pipe->transfer_destroy(pipe, trans); } return GL_TRUE; @@ -331,7 +323,6 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, GLvoid *dest) { struct pipe_context *pipe = ctx->st->pipe; - struct pipe_screen *screen = pipe->screen; GLfloat temp[MAX_WIDTH][4]; const GLbitfield transferOps = ctx->_ImageTransferState; GLsizei i, j; @@ -346,6 +337,8 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, /* XXX convolution not done yet */ assert((transferOps & IMAGE_CONVOLUTION_BIT) == 0); + st_validate_state(ctx->st); + /* Do all needed clipping here, so that we can forget about it later */ if (!_mesa_clip_readpixels(ctx, &x, &y, &width, &height, &clippedPacking)) { /* The ReadPixels transfer is totally outside the window bounds */ @@ -396,6 +389,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, } if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + /* convert GL Y to Gallium Y */ y = strb->Base.Height - y - height; } @@ -429,14 +423,14 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, const GLint dstStride = _mesa_image_row_stride(&clippedPacking, width, format, type); - if (trans->texture->format == PIPE_FORMAT_Z24S8_UNORM || - trans->texture->format == PIPE_FORMAT_Z24X8_UNORM) { + if (trans->resource->format == PIPE_FORMAT_Z24_UNORM_S8_USCALED || + trans->resource->format == PIPE_FORMAT_Z24X8_UNORM) { if (format == GL_DEPTH_COMPONENT) { for (i = 0; i < height; i++) { GLuint ztemp[MAX_WIDTH]; GLfloat zfloat[MAX_WIDTH]; const double scale = 1.0 / ((1 << 24) - 1); - pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0); + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0); y += yStep; for (j = 0; j < width; j++) { zfloat[j] = (float) (scale * (ztemp[j] & 0xffffff)); @@ -451,7 +445,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, assert(format == GL_DEPTH_STENCIL_EXT); for (i = 0; i < height; i++) { GLuint *zshort = (GLuint *)dst; - pipe_get_tile_raw(trans, 0, y, width, 1, dst, 0); + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, dst, 0); y += yStep; /* Reverse into 24/8 */ for (j = 0; j < width; j++) { @@ -461,14 +455,14 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, } } } - else if (trans->texture->format == PIPE_FORMAT_S8Z24_UNORM || - trans->texture->format == PIPE_FORMAT_X8Z24_UNORM) { + else if (trans->resource->format == PIPE_FORMAT_S8_USCALED_Z24_UNORM || + trans->resource->format == PIPE_FORMAT_X8Z24_UNORM) { if (format == GL_DEPTH_COMPONENT) { for (i = 0; i < height; i++) { GLuint ztemp[MAX_WIDTH]; GLfloat zfloat[MAX_WIDTH]; const double scale = 1.0 / ((1 << 24) - 1); - pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0); + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0); y += yStep; for (j = 0; j < width; j++) { zfloat[j] = (float) (scale * ((ztemp[j] >> 8) & 0xffffff)); @@ -482,18 +476,18 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, /* XXX: unreachable code -- should be before st_read_stencil_pixels */ assert(format == GL_DEPTH_STENCIL_EXT); for (i = 0; i < height; i++) { - pipe_get_tile_raw(trans, 0, y, width, 1, dst, 0); + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, dst, 0); y += yStep; dst += dstStride; } } } - else if (trans->texture->format == PIPE_FORMAT_Z16_UNORM) { + else if (trans->resource->format == PIPE_FORMAT_Z16_UNORM) { for (i = 0; i < height; i++) { GLushort ztemp[MAX_WIDTH]; GLfloat zfloat[MAX_WIDTH]; const double scale = 1.0 / 0xffff; - pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0); + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0); y += yStep; for (j = 0; j < width; j++) { zfloat[j] = (float) (scale * ztemp[j]); @@ -503,12 +497,12 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, dst += dstStride; } } - else if (trans->texture->format == PIPE_FORMAT_Z32_UNORM) { + else if (trans->resource->format == PIPE_FORMAT_Z32_UNORM) { for (i = 0; i < height; i++) { GLuint ztemp[MAX_WIDTH]; GLfloat zfloat[MAX_WIDTH]; const double scale = 1.0 / 0xffffffff; - pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0); + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0); y += yStep; for (j = 0; j < width; j++) { zfloat[j] = (float) (scale * ztemp[j]); @@ -522,7 +516,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, /* RGBA format */ /* Do a row at a time to flip image data vertically */ for (i = 0; i < height; i++) { - pipe_get_tile_rgba(trans, 0, y, width, 1, df); + pipe_get_tile_rgba(pipe, trans, 0, y, width, 1, df); y += yStep; df += dfStride; if (!dfStride) { @@ -534,7 +528,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, } } - screen->tex_transfer_destroy(trans); + pipe->transfer_destroy(pipe, trans); _mesa_unmap_pbo_dest(ctx, &clippedPacking); } |