From 0ef5b627871eb893309fe784bc47d0d8d69f4c57 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 10 Sep 2009 19:56:35 -0600 Subject: mesa: nicer vertex setup --- src/mesa/drivers/common/meta.c | 266 +++++++++++++++++++++-------------------- 1 file changed, 138 insertions(+), 128 deletions(-) (limited to 'src/mesa') diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index 0b9781027e7..05909cfa307 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -63,6 +63,10 @@ #include "drivers/common/meta.h" +/** Return offset in bytes of the field within a vertex struct */ +#define OFFSET(FIELD) ((void *) offsetof(struct vertex, FIELD)) + + /** * State which we may save/restore across meta ops. * XXX this may be incomplete... @@ -988,7 +992,10 @@ _mesa_meta_blit_framebuffer(GLcontext *ctx, const GLint srcH = abs(srcY1 - srcY0); const GLboolean srcFlipX = srcX1 < srcX0; const GLboolean srcFlipY = srcY1 < srcY0; - GLfloat verts[4][4]; /* four verts of X,Y,S,T */ + struct vertex { + GLfloat x, y, s, t; + }; + struct vertex verts[4]; GLboolean newTex; if (srcW > maxTexSize || srcH > maxTexSize) { @@ -1027,10 +1034,8 @@ _mesa_meta_blit_framebuffer(GLcontext *ctx, NULL, GL_DYNAMIC_DRAW_ARB); /* setup vertex arrays */ - _mesa_VertexPointer(2, GL_FLOAT, sizeof(verts[0]), - (void *) (0 * sizeof(GLfloat))); - _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(verts[0]), - (void *) (2 * sizeof(GLfloat))); + _mesa_VertexPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(x)); + _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s)); _mesa_EnableClientState(GL_VERTEX_ARRAY); _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY); } @@ -1043,23 +1048,23 @@ _mesa_meta_blit_framebuffer(GLcontext *ctx, /* vertex positions/texcoords (after texture allocation!) */ { - verts[0][0] = (GLfloat) dstX0; - verts[0][1] = (GLfloat) dstY0; - verts[1][0] = (GLfloat) dstX1; - verts[1][1] = (GLfloat) dstY0; - verts[2][0] = (GLfloat) dstX1; - verts[2][1] = (GLfloat) dstY1; - verts[3][0] = (GLfloat) dstX0; - verts[3][1] = (GLfloat) dstY1; - - verts[0][2] = 0.0F; - verts[0][3] = 0.0F; - verts[1][2] = tex->Sright; - verts[1][3] = 0.0F; - verts[2][2] = tex->Sright; - verts[2][3] = tex->Ttop; - verts[3][2] = 0.0F; - verts[3][3] = tex->Ttop; + verts[0].x = (GLfloat) dstX0; + verts[0].y = (GLfloat) dstY0; + verts[1].x = (GLfloat) dstX1; + verts[1].y = (GLfloat) dstY0; + verts[2].x = (GLfloat) dstX1; + verts[2].y = (GLfloat) dstY1; + verts[3].x = (GLfloat) dstX0; + verts[3].y = (GLfloat) dstY1; + + verts[0].s = 0.0F; + verts[0].t = 0.0F; + verts[1].s = tex->Sright; + verts[1].t = 0.0F; + verts[2].s = tex->Sright; + verts[2].t = tex->Ttop; + verts[3].s = 0.0F; + verts[3].t = tex->Ttop; /* upload new vertex data */ _mesa_BufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts); @@ -1125,7 +1130,10 @@ void _mesa_meta_clear(GLcontext *ctx, GLbitfield buffers) { struct clear_state *clear = &ctx->Meta->Clear; - GLfloat verts[4][7]; /* four verts of X,Y,Z,R,G,B,A */ + struct vertex { + GLfloat x, y, z, r, g, b, a; + }; + struct vertex verts[4]; /* save all state but scissor, pixel pack/unpack */ GLbitfield metaSave = META_ALL - META_SCISSOR - META_PIXEL_STORE; @@ -1150,10 +1158,8 @@ _mesa_meta_clear(GLcontext *ctx, GLbitfield buffers) NULL, GL_DYNAMIC_DRAW_ARB); /* setup vertex arrays */ - _mesa_VertexPointer(3, GL_FLOAT, sizeof(verts[0]), - (void *) (0 * sizeof(GLfloat))); - _mesa_ColorPointer(4, GL_FLOAT, sizeof(verts[0]), - (void *) (3 * sizeof(GLfloat))); + _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x)); + _mesa_ColorPointer(4, GL_FLOAT, sizeof(struct vertex), OFFSET(r)); _mesa_EnableClientState(GL_VERTEX_ARRAY); _mesa_EnableClientState(GL_COLOR_ARRAY); } @@ -1203,22 +1209,25 @@ _mesa_meta_clear(GLcontext *ctx, GLbitfield buffers) const GLfloat z = 1.0 - 2.0 * ctx->Depth.Clear; GLuint i; - verts[0][0] = x0; - verts[0][1] = y0; - verts[0][2] = z; - verts[1][0] = x1; - verts[1][1] = y0; - verts[1][2] = z; - verts[2][0] = x1; - verts[2][1] = y1; - verts[2][2] = z; - verts[3][0] = x0; - verts[3][1] = y1; - verts[3][2] = z; + verts[0].x = x0; + verts[0].y = y0; + verts[0].z = z; + verts[1].x = x1; + verts[1].y = y0; + verts[1].z = z; + verts[2].x = x1; + verts[2].y = y1; + verts[2].z = z; + verts[3].x = x0; + verts[3].y = y1; + verts[3].z = z; /* vertex colors */ for (i = 0; i < 4; i++) { - COPY_4FV(&verts[i][3], ctx->Color.ClearColor); + verts[i].r = ctx->Color.ClearColor[0]; + verts[i].g = ctx->Color.ClearColor[1]; + verts[i].b = ctx->Color.ClearColor[2]; + verts[i].a = ctx->Color.ClearColor[3]; } /* upload new vertex data */ @@ -1243,7 +1252,10 @@ _mesa_meta_copy_pixels(GLcontext *ctx, GLint srcX, GLint srcY, { struct copypix_state *copypix = &ctx->Meta->CopyPix; struct temp_texture *tex = get_temp_texture(ctx); - GLfloat verts[4][5]; /* four verts of X,Y,Z,S,T */ + struct vertex { + GLfloat x, y, z, s, t; + }; + struct vertex verts[4]; GLboolean newTex; GLenum intFormat = GL_RGBA; @@ -1281,10 +1293,8 @@ _mesa_meta_copy_pixels(GLcontext *ctx, GLint srcX, GLint srcY, NULL, GL_DYNAMIC_DRAW_ARB); /* setup vertex arrays */ - _mesa_VertexPointer(3, GL_FLOAT, sizeof(verts[0]), - (void *) (0 * sizeof(GLfloat))); - _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(verts[0]), - (void *) (3 * sizeof(GLfloat))); + _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x)); + _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s)); _mesa_EnableClientState(GL_VERTEX_ARRAY); _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY); } @@ -1303,26 +1313,26 @@ _mesa_meta_copy_pixels(GLcontext *ctx, GLint srcX, GLint srcY, const GLfloat dstY1 = dstY + height * ctx->Pixel.ZoomY; const GLfloat z = ctx->Current.RasterPos[2]; - verts[0][0] = dstX0; - verts[0][1] = dstY0; - verts[0][2] = z; - verts[0][3] = 0.0F; - verts[0][4] = 0.0F; - verts[1][0] = dstX1; - verts[1][1] = dstY0; - verts[1][2] = z; - verts[1][3] = tex->Sright; - verts[1][4] = 0.0F; - verts[2][0] = dstX1; - verts[2][1] = dstY1; - verts[2][2] = z; - verts[2][3] = tex->Sright; - verts[2][4] = tex->Ttop; - verts[3][0] = dstX0; - verts[3][1] = dstY1; - verts[3][2] = z; - verts[3][3] = 0.0F; - verts[3][4] = tex->Ttop; + verts[0].x = dstX0; + verts[0].y = dstY0; + verts[0].z = z; + verts[0].s = 0.0F; + verts[0].t = 0.0F; + verts[1].x = dstX1; + verts[1].y = dstY0; + verts[1].z = z; + verts[1].s = tex->Sright; + verts[1].t = 0.0F; + verts[2].x = dstX1; + verts[2].y = dstY1; + verts[2].z = z; + verts[2].s = tex->Sright; + verts[2].t = tex->Ttop; + verts[3].x = dstX0; + verts[3].y = dstY1; + verts[3].z = z; + verts[3].s = 0.0F; + verts[3].t = tex->Ttop; /* upload new vertex data */ _mesa_BufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts); @@ -1496,7 +1506,10 @@ _mesa_meta_draw_pixels(GLcontext *ctx, struct temp_texture *tex = get_temp_texture(ctx); const struct gl_pixelstore_attrib unpackSave = ctx->Unpack; const GLuint origStencilMask = ctx->Stencil.WriteMask[0]; - GLfloat verts[4][5]; /* four verts of X,Y,Z,S,T */ + struct vertex { + GLfloat x, y, z, s, t; + }; + struct vertex verts[4]; GLenum texIntFormat; GLboolean fallback, newTex; GLbitfield metaExtraSave = 0x0; @@ -1593,10 +1606,8 @@ _mesa_meta_draw_pixels(GLcontext *ctx, NULL, GL_DYNAMIC_DRAW_ARB); /* setup vertex arrays */ - _mesa_VertexPointer(3, GL_FLOAT, sizeof(verts[0]), - (void *) (0 * sizeof(GLfloat))); - _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(verts[0]), - (void *) (3 * sizeof(GLfloat))); + _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x)); + _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s)); _mesa_EnableClientState(GL_VERTEX_ARRAY); _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY); } @@ -1615,26 +1626,26 @@ _mesa_meta_draw_pixels(GLcontext *ctx, const GLfloat y1 = y + height * ctx->Pixel.ZoomY; const GLfloat z = ctx->Current.RasterPos[2]; - verts[0][0] = x0; - verts[0][1] = y0; - verts[0][2] = z; - verts[0][3] = 0.0F; - verts[0][4] = 0.0F; - verts[1][0] = x1; - verts[1][1] = y0; - verts[1][2] = z; - verts[1][3] = tex->Sright; - verts[1][4] = 0.0F; - verts[2][0] = x1; - verts[2][1] = y1; - verts[2][2] = z; - verts[2][3] = tex->Sright; - verts[2][4] = tex->Ttop; - verts[3][0] = x0; - verts[3][1] = y1; - verts[3][2] = z; - verts[3][3] = 0.0F; - verts[3][4] = tex->Ttop; + verts[0].x = x0; + verts[0].y = y0; + verts[0].z = z; + verts[0].s = 0.0F; + verts[0].t = 0.0F; + verts[1].x = x1; + verts[1].y = y0; + verts[1].z = z; + verts[1].s = tex->Sright; + verts[1].t = 0.0F; + verts[2].x = x1; + verts[2].y = y1; + verts[2].z = z; + verts[2].s = tex->Sright; + verts[2].t = tex->Ttop; + verts[3].x = x0; + verts[3].y = y1; + verts[3].z = z; + verts[3].s = 0.0F; + verts[3].t = tex->Ttop; /* upload new vertex data */ _mesa_BufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts); @@ -1733,7 +1744,10 @@ _mesa_meta_bitmap(GLcontext *ctx, struct temp_texture *tex = get_bitmap_temp_texture(ctx); const GLenum texIntFormat = GL_ALPHA; const struct gl_pixelstore_attrib unpackSave = *unpack; - GLfloat verts[4][9]; /* four verts of X,Y,Z,S,T,R,G,B,A */ + struct vertex { + GLfloat x, y, z, s, t, r, g, b, a; + }; + struct vertex verts[4]; GLboolean newTex; GLubyte *bitmap8; @@ -1776,13 +1790,9 @@ _mesa_meta_bitmap(GLcontext *ctx, NULL, GL_DYNAMIC_DRAW_ARB); /* setup vertex arrays */ - _mesa_VertexPointer(3, GL_FLOAT, sizeof(verts[0]), - (void *) (0 * sizeof(GLfloat))); - _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(verts[0]), - (void *) (3 * sizeof(GLfloat))); - _mesa_ColorPointer(4, GL_FLOAT, sizeof(verts[0]), - (void *) (5 * sizeof(GLfloat))); - + _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x)); + _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s)); + _mesa_ColorPointer(4, GL_FLOAT, sizeof(struct vertex), OFFSET(r)); _mesa_EnableClientState(GL_VERTEX_ARRAY); _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY); _mesa_EnableClientState(GL_COLOR_ARRAY); @@ -1803,32 +1813,32 @@ _mesa_meta_bitmap(GLcontext *ctx, const GLfloat z = ctx->Current.RasterPos[2]; GLuint i; - verts[0][0] = x0; - verts[0][1] = y0; - verts[0][2] = z; - verts[0][3] = 0.0F; - verts[0][4] = 0.0F; - verts[1][0] = x1; - verts[1][1] = y0; - verts[1][2] = z; - verts[1][3] = tex->Sright; - verts[1][4] = 0.0F; - verts[2][0] = x1; - verts[2][1] = y1; - verts[2][2] = z; - verts[2][3] = tex->Sright; - verts[2][4] = tex->Ttop; - verts[3][0] = x0; - verts[3][1] = y1; - verts[3][2] = z; - verts[3][3] = 0.0F; - verts[3][4] = tex->Ttop; + verts[0].x = x0; + verts[0].y = y0; + verts[0].z = z; + verts[0].s = 0.0F; + verts[0].t = 0.0F; + verts[1].x = x1; + verts[1].y = y0; + verts[1].z = z; + verts[1].s = tex->Sright; + verts[1].t = 0.0F; + verts[2].x = x1; + verts[2].y = y1; + verts[2].z = z; + verts[2].s = tex->Sright; + verts[2].t = tex->Ttop; + verts[3].x = x0; + verts[3].y = y1; + verts[3].z = z; + verts[3].s = 0.0F; + verts[3].t = tex->Ttop; for (i = 0; i < 4; i++) { - verts[i][5] = ctx->Current.RasterColor[0]; - verts[i][6] = ctx->Current.RasterColor[1]; - verts[i][7] = ctx->Current.RasterColor[2]; - verts[i][8] = ctx->Current.RasterColor[3]; + verts[i].r = ctx->Current.RasterColor[0]; + verts[i].g = ctx->Current.RasterColor[1]; + verts[i].b = ctx->Current.RasterColor[2]; + verts[i].a = ctx->Current.RasterColor[3]; } /* upload new vertex data */ @@ -1870,7 +1880,10 @@ _mesa_meta_generate_mipmap(GLcontext *ctx, GLenum target, struct gl_texture_object *texObj) { struct gen_mipmap_state *mipmap = &ctx->Meta->Mipmap; - struct { GLfloat x, y, s, t, r; } verts[4]; + struct vertex { + GLfloat x, y, s, t, r; + }; + struct vertex verts[4]; const GLuint baseLevel = texObj->BaseLevel; const GLuint maxLevel = texObj->MaxLevel; const GLenum minFilterSave = texObj->MinFilter; @@ -1911,11 +1924,8 @@ _mesa_meta_generate_mipmap(GLcontext *ctx, GLenum target, NULL, GL_DYNAMIC_DRAW_ARB); /* setup vertex arrays */ - _mesa_VertexPointer(2, GL_FLOAT, sizeof(verts[0]), - (void *) (0 * sizeof(GLfloat))); - _mesa_TexCoordPointer(3, GL_FLOAT, sizeof(verts[0]), - (void *) (2 * sizeof(GLfloat))); - + _mesa_VertexPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(x)); + _mesa_TexCoordPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(s)); _mesa_EnableClientState(GL_VERTEX_ARRAY); _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY); } -- cgit v1.2.3