diff options
Diffstat (limited to 'mesalib/src/mesa/main/blit.c')
| -rw-r--r-- | mesalib/src/mesa/main/blit.c | 219 |
1 files changed, 147 insertions, 72 deletions
diff --git a/mesalib/src/mesa/main/blit.c b/mesalib/src/mesa/main/blit.c index 0694466eb..fac972450 100644 --- a/mesalib/src/mesa/main/blit.c +++ b/mesalib/src/mesa/main/blit.c @@ -34,6 +34,7 @@ #include "enums.h" #include "blit.h" #include "fbobject.h" +#include "framebuffer.h" #include "glformats.h" #include "mtypes.h" #include "state.h" @@ -148,38 +149,25 @@ is_valid_blit_filter(const struct gl_context *ctx, GLenum filter) } -/** - * Blit rectangular region, optionally from one framebuffer to another. - * - * Note, if the src buffer is multisampled and the dest is not, this is - * when the samples must be resolved to a single color. - */ -void GLAPIENTRY -_mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, - GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, - GLbitfield mask, GLenum filter) +void +_mesa_blit_framebuffer(struct gl_context *ctx, + struct gl_framebuffer *readFb, + struct gl_framebuffer *drawFb, + GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter, const char *func) { const GLbitfield legalMaskBits = (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); - const struct gl_framebuffer *readFb, *drawFb; - GET_CURRENT_CONTEXT(ctx); FLUSH_VERTICES(ctx, 0); - if (MESA_VERBOSE & VERBOSE_API) - _mesa_debug(ctx, - "glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d, 0x%x, %s)\n", - srcX0, srcY0, srcX1, srcY1, - dstX0, dstY0, dstX1, dstY1, - mask, _mesa_lookup_enum_by_nr(filter)); - - if (ctx->NewState) { - _mesa_update_state(ctx); - } + /* Update completeness status of readFb and drawFb. */ + _mesa_update_framebuffer(ctx, readFb, drawFb); - readFb = ctx->ReadBuffer; - drawFb = ctx->DrawBuffer; + /* Make sure drawFb has an initialized bounding box. */ + _mesa_update_draw_buffer_bounds(ctx, drawFb); if (!readFb || !drawFb) { /* This will normally never happen but someday we may want to @@ -192,12 +180,12 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, if (drawFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT || readFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, - "glBlitFramebufferEXT(incomplete draw/read buffers)"); + "%s(incomplete draw/read buffers)", func); return; } if (!is_valid_blit_filter(ctx, filter)) { - _mesa_error(ctx, GL_INVALID_ENUM, "glBlitFramebufferEXT(%s)", + _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid filter %s)", func, _mesa_lookup_enum_by_nr(filter)); return; } @@ -205,13 +193,13 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, if ((filter == GL_SCALED_RESOLVE_FASTEST_EXT || filter == GL_SCALED_RESOLVE_NICEST_EXT) && (readFb->Visual.samples == 0 || drawFb->Visual.samples > 0)) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT(%s)", + _mesa_error(ctx, GL_INVALID_OPERATION, "%s(%s: invalid samples)", func, _mesa_lookup_enum_by_nr(filter)); return; } if (mask & ~legalMaskBits) { - _mesa_error( ctx, GL_INVALID_VALUE, "glBlitFramebufferEXT(mask)"); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(invalid mask bits set)", func); return; } @@ -219,13 +207,13 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, if ((mask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) && filter != GL_NEAREST) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter)"); + "%s(depth/stencil requires GL_NEAREST filter)", func); return; } /* get color read/draw renderbuffers */ if (mask & GL_COLOR_BUFFER_BIT) { - const GLuint numColorDrawBuffers = ctx->DrawBuffer->_NumColorDrawBuffers; + const GLuint numColorDrawBuffers = drawFb->_NumColorDrawBuffers; const struct gl_renderbuffer *colorReadRb = readFb->_ColorReadBuffer; const struct gl_renderbuffer *colorDrawRb = NULL; GLuint i; @@ -241,7 +229,7 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, } else { for (i = 0; i < numColorDrawBuffers; i++) { - colorDrawRb = ctx->DrawBuffer->_ColorDrawBuffers[i]; + colorDrawRb = drawFb->_ColorDrawBuffers[i]; if (!colorDrawRb) continue; @@ -257,15 +245,15 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, */ if (_mesa_is_gles3(ctx) && (colorDrawRb == colorReadRb)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebuffer(source and destination color " - "buffer cannot be the same)"); + "%s(source and destination color " + "buffer cannot be the same)", func); return; } if (!compatible_color_datatypes(colorReadRb->Format, colorDrawRb->Format)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebufferEXT(color buffer datatypes mismatch)"); + "%s(color buffer datatypes mismatch)", func); return; } /* extra checks for multisample copies... */ @@ -273,7 +261,7 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, /* color formats must match */ if (!compatible_resolve_formats(colorReadRb, colorDrawRb)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebufferEXT(bad src/dst multisample pixel formats)"); + "%s(bad src/dst multisample pixel formats)", func); return; } } @@ -286,7 +274,7 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLenum type = _mesa_get_format_datatype(colorReadRb->Format); if (type == GL_INT || type == GL_UNSIGNED_INT) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebufferEXT(integer color type)"); + "%s(integer color type)", func); return; } } @@ -306,15 +294,15 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, * ignored." */ if ((readRb == NULL) || (drawRb == NULL)) { - mask &= ~GL_STENCIL_BUFFER_BIT; + mask &= ~GL_STENCIL_BUFFER_BIT; } else { int read_z_bits, draw_z_bits; if (_mesa_is_gles3(ctx) && (drawRb == readRb)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebuffer(source and destination stencil " - "buffer cannot be the same)"); + "%s(source and destination stencil " + "buffer cannot be the same)", func); return; } @@ -324,7 +312,7 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, * there is only one: GL_UNSIGNED_INT. */ _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebuffer(stencil attachment format mismatch)"); + "%s(stencil attachment format mismatch)", func); return; } @@ -340,8 +328,8 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, _mesa_get_format_datatype(readRb->Format) != _mesa_get_format_datatype(drawRb->Format))) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebuffer" - "(stencil attachment depth format mismatch)"); + _mesa_error(ctx, GL_INVALID_OPERATION, + "%s(stencil attachment depth format mismatch)", func); return; } } @@ -360,15 +348,15 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, * ignored." */ if ((readRb == NULL) || (drawRb == NULL)) { - mask &= ~GL_DEPTH_BUFFER_BIT; + mask &= ~GL_DEPTH_BUFFER_BIT; } else { int read_s_bit, draw_s_bit; if (_mesa_is_gles3(ctx) && (drawRb == readRb)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebuffer(source and destination depth " - "buffer cannot be the same)"); + "%s(source and destination depth " + "buffer cannot be the same)", func); return; } @@ -377,7 +365,7 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, (_mesa_get_format_datatype(readRb->Format) != _mesa_get_format_datatype(drawRb->Format))) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebuffer(depth attachment format mismatch)"); + "%s(depth attachment format mismatch)", func); return; } @@ -389,8 +377,8 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, * we should ignore the stencil format check. */ if (read_s_bit > 0 && draw_s_bit > 0 && read_s_bit != draw_s_bit) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebuffer" - "(depth attachment stencil bits mismatch)"); + _mesa_error(ctx, GL_INVALID_OPERATION, + "%s(depth attachment stencil bits mismatch)", func); return; } } @@ -406,7 +394,7 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, */ if (drawFb->Visual.samples > 0) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebuffer(destination samples must be 0)"); + "%s(destination samples must be 0)", func); return; } @@ -426,7 +414,7 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, && (srcX0 != dstX0 || srcY0 != dstY0 || srcX1 != dstX1 || srcY1 != dstY1)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebuffer(bad src/dst multisample region)"); + "%s(bad src/dst multisample region)", func); return; } } else { @@ -434,7 +422,7 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, drawFb->Visual.samples > 0 && readFb->Visual.samples != drawFb->Visual.samples) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebufferEXT(mismatched samples)"); + "%s(mismatched samples)", func); return; } @@ -445,7 +433,7 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, if (abs(srcX1 - srcX0) != abs(dstX1 - dstX0) || abs(srcY1 - srcY0) != abs(dstY1 - dstY0)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glBlitFramebufferEXT(bad src/dst multisample region sizes)"); + "%s(bad src/dst multisample region sizes)", func); return; } } @@ -457,43 +445,44 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, const struct gl_renderbuffer *colorDrawRb = NULL; GLuint i = 0; - printf("glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d," - " 0x%x, 0x%x)\n", - srcX0, srcY0, srcX1, srcY1, - dstX0, dstY0, dstX1, dstY1, - mask, filter); + printf("%s(%d, %d, %d, %d, %d, %d, %d, %d," + " 0x%x, 0x%x)\n", func, + srcX0, srcY0, srcX1, srcY1, + dstX0, dstY0, dstX1, dstY1, + mask, filter); + if (colorReadRb) { const struct gl_renderbuffer_attachment *att; att = find_attachment(readFb, colorReadRb); printf(" Src FBO %u RB %u (%dx%d) ", - readFb->Name, colorReadRb->Name, - colorReadRb->Width, colorReadRb->Height); + readFb->Name, colorReadRb->Name, + colorReadRb->Width, colorReadRb->Height); if (att && att->Texture) { printf("Tex %u tgt 0x%x level %u face %u", - att->Texture->Name, - att->Texture->Target, - att->TextureLevel, - att->CubeMapFace); + att->Texture->Name, + att->Texture->Target, + att->TextureLevel, + att->CubeMapFace); } printf("\n"); /* Print all active color render buffers */ - for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) { - colorDrawRb = ctx->DrawBuffer->_ColorDrawBuffers[i]; + for (i = 0; i < drawFb->_NumColorDrawBuffers; i++) { + colorDrawRb = drawFb->_ColorDrawBuffers[i]; if (!colorDrawRb) continue; att = find_attachment(drawFb, colorDrawRb); printf(" Dst FBO %u RB %u (%dx%d) ", - drawFb->Name, colorDrawRb->Name, - colorDrawRb->Width, colorDrawRb->Height); + drawFb->Name, colorDrawRb->Name, + colorDrawRb->Width, colorDrawRb->Height); if (att && att->Texture) { printf("Tex %u tgt 0x%x level %u face %u", - att->Texture->Name, - att->Texture->Target, - att->TextureLevel, - att->CubeMapFace); + att->Texture->Name, + att->Texture->Target, + att->TextureLevel, + att->CubeMapFace); } printf("\n"); } @@ -507,8 +496,94 @@ _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, } assert(ctx->Driver.BlitFramebuffer); - ctx->Driver.BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer, + ctx->Driver.BlitFramebuffer(ctx, readFb, drawFb, srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter); } + + +/** + * Blit rectangular region, optionally from one framebuffer to another. + * + * Note, if the src buffer is multisampled and the dest is not, this is + * when the samples must be resolved to a single color. + */ +void GLAPIENTRY +_mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter) +{ + GET_CURRENT_CONTEXT(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, + "glBlitFramebuffer(%d, %d, %d, %d, " + " %d, %d, %d, %d, 0x%x, %s)\n", + srcX0, srcY0, srcX1, srcY1, + dstX0, dstY0, dstX1, dstY1, + mask, _mesa_lookup_enum_by_nr(filter)); + + _mesa_blit_framebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer, + srcX0, srcY0, srcX1, srcY1, + dstX0, dstY0, dstX1, dstY1, + mask, filter, "glBlitFramebuffer"); +} + + +void GLAPIENTRY +_mesa_BlitNamedFramebuffer(GLuint readFramebuffer, GLuint drawFramebuffer, + GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_framebuffer *readFb, *drawFb; + + if (!ctx->Extensions.ARB_direct_state_access) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBlitNamedFramebuffer(GL_ARB_direct_state_access " + "is not supported)"); + return; + } + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, + "glBlitNamedFramebuffer(%u %u %d, %d, %d, %d, " + " %d, %d, %d, %d, 0x%x, %s)\n", + readFramebuffer, drawFramebuffer, + srcX0, srcY0, srcX1, srcY1, + dstX0, dstY0, dstX1, dstY1, + mask, _mesa_lookup_enum_by_nr(filter)); + + /* + * According to PDF page 533 of the OpenGL 4.5 core spec (30.10.2014, + * Section 18.3 Copying Pixels): + * "... if readFramebuffer or drawFramebuffer is zero (for + * BlitNamedFramebuffer), then the default read or draw framebuffer is + * used as the corresponding source or destination framebuffer, + * respectively." + */ + if (readFramebuffer) { + readFb = _mesa_lookup_framebuffer_err(ctx, readFramebuffer, + "glBlitNamedFramebuffer"); + if (!readFb) + return; + } + else + readFb = ctx->WinSysReadBuffer; + + if (drawFramebuffer) { + drawFb = _mesa_lookup_framebuffer_err(ctx, drawFramebuffer, + "glBlitNamedFramebuffer"); + if (!drawFb) + return; + } + else + drawFb = ctx->WinSysDrawBuffer; + + _mesa_blit_framebuffer(ctx, readFb, drawFb, + srcX0, srcY0, srcX1, srcY1, + dstX0, dstY0, dstX1, dstY1, + mask, filter, "glBlitNamedFramebuffer"); +} |