diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/drivers/common/meta.c | 7 | ||||
-rw-r--r-- | src/mesa/drivers/common/meta_blit.c | 38 |
2 files changed, 43 insertions, 2 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index ddd0b1ad19a..ac27abba6af 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -2783,6 +2783,13 @@ copytexsubimage_using_blit_framebuffer(struct gl_context *ctx, GLuint dims, goto out; ctx->Meta->Blit.no_ctsi_fallback = true; + + /* Since we've bound a new draw framebuffer, we need to update + * its derived state -- _Xmin, etc -- for BlitFramebuffer's clipping to + * be correct. + */ + _mesa_update_state(ctx); + /* We skip the core BlitFramebuffer checks for format consistency, which * are too strict for CopyTexImage. We know meta will be fine with format * changes. diff --git a/src/mesa/drivers/common/meta_blit.c b/src/mesa/drivers/common/meta_blit.c index 69a600c584e..5d72dd2ec02 100644 --- a/src/mesa/drivers/common/meta_blit.c +++ b/src/mesa/drivers/common/meta_blit.c @@ -33,11 +33,13 @@ #include "main/enable.h" #include "main/enums.h" #include "main/fbobject.h" +#include "main/image.h" #include "main/macros.h" #include "main/matrix.h" #include "main/multisample.h" #include "main/objectlabel.h" #include "main/readpix.h" +#include "main/scissor.h" #include "main/shaderapi.h" #include "main/texobj.h" #include "main/texenv.h" @@ -627,6 +629,15 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx, const GLint dstH = abs(dstY1 - dstY0); const GLint dstFlipX = (dstX1 - dstX0) / dstW; const GLint dstFlipY = (dstY1 - dstY0) / dstH; + + struct { + GLint srcX0, srcY0, srcX1, srcY1; + GLint dstX0, dstY0, dstX1, dstY1; + } clip = { + srcX0, srcY0, srcX1, srcY1, + dstX0, dstY0, dstX1, dstY1 + }; + const GLboolean use_glsl_version = ctx->Extensions.ARB_vertex_shader && ctx->Extensions.ARB_fragment_shader; @@ -636,8 +647,31 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx, goto fallback; } - /* only scissor effects blit so save/clear all other relevant state */ - _mesa_meta_begin(ctx, ~MESA_META_SCISSOR); + /* Clip a copy of the blit coordinates. If these differ from the input + * coordinates, then we'll set the scissor. + */ + if (!_mesa_clip_blit(ctx, &clip.srcX0, &clip.srcY0, &clip.srcX1, &clip.srcY1, + &clip.dstX0, &clip.dstY0, &clip.dstX1, &clip.dstY1)) { + /* clipped/scissored everything away */ + return; + } + + /* Only scissor affects blit, but we're doing to set a custom scissor if + * necessary anyway, so save/clear state. + */ + _mesa_meta_begin(ctx, MESA_META_ALL); + + /* If the clipping earlier changed the destination rect at all, then + * enable the scissor to clip to it. + */ + if (clip.dstX0 != dstX0 || clip.dstY0 != dstY0 || + clip.dstX1 != dstX1 || clip.dstY1 != dstY1) { + _mesa_set_enable(ctx, GL_SCISSOR_TEST, GL_TRUE); + _mesa_Scissor(MIN2(clip.dstX0, clip.dstX1), + MIN2(clip.dstY0, clip.dstY1), + abs(clip.dstX0 - clip.dstX1), + abs(clip.dstY0 - clip.dstY1)); + } /* Try faster, direct texture approach first */ if (mask & GL_COLOR_BUFFER_BIT) { |