diff options
author | Brian <[email protected]> | 2007-11-06 09:41:45 -0700 |
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committer | Brian <[email protected]> | 2007-11-06 09:41:45 -0700 |
commit | e2feb80a90f3e9300c70a4a4eb3e966131f5c313 (patch) | |
tree | d407028c34268b686e0c5802c07e09bac0d57ece /src/mesa/state_tracker | |
parent | 24ac9c30ebfd2edabdd21bfc9cf4e9db21cd10df (diff) |
Remove pipe->max_texture_size(), use get_param() instead.
Also, in st_init_limits(), clamp driver's values against Mesa's internal limits.
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r-- | src/mesa/state_tracker/st_cb_drawpixels.c | 8 | ||||
-rw-r--r-- | src/mesa/state_tracker/st_extensions.c | 73 |
2 files changed, 39 insertions, 42 deletions
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c index fc58035d00b..df41d5ce5b2 100644 --- a/src/mesa/state_tracker/st_cb_drawpixels.c +++ b/src/mesa/state_tracker/st_cb_drawpixels.c @@ -703,15 +703,15 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z, const GLuint unit = 0; struct pipe_context *pipe = ctx->st->pipe; GLfloat x0, y0, x1, y1; - GLuint maxWidth, maxHeight; + GLuint maxSize; /* limit checks */ /* XXX if DrawPixels image is larger than max texture size, break * it up into chunks. */ - pipe->max_texture_size(pipe, PIPE_TEXTURE_2D, &maxWidth, &maxHeight, NULL); - assert(width <= maxWidth); - assert(height <= maxHeight); + maxSize = 1 << (pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1); + assert(width <= maxSize); + assert(height <= maxSize); /* setup state: just scissor */ { diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index 3f56b537bbc..0707c489a6f 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -37,57 +37,54 @@ #include "st_extensions.h" -/* - * Compute floor(log_base_2(n)). - * If n < 0 return -1. - */ -static int -logbase2( int n ) +static int min(int a, int b) { - GLint i = 1; - GLint log2 = 0; - - if (n < 0) - return -1; - - if (n == 0) - return 0; + return (a < b) ? a : b; +} - while ( n > i ) { - i *= 2; - log2++; - } - if (i != n) { - return log2 - 1; - } - else { - return log2; - } +static int clamp(int a, int min, int max) +{ + if (a < min) + return min; + else if (a > max) + return max; + else + return a; } +/** + * Query driver to get implementation limits. + * Note that we have to limit/clamp against Mesa's internal limits too. + */ void st_init_limits(struct st_context *st) { struct pipe_context *pipe = st->pipe; - GLcontext *ctx = st->ctx; - uint w, h, d; + struct gl_constants *c = &st->ctx->Const; + + c->MaxTextureLevels + = min(pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_2D_LEVELS), + MAX_TEXTURE_LEVELS); - ctx->Const.MaxTextureImageUnits - = ctx->Const.MaxTextureCoordUnits - = pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS); + c->Max3DTextureLevels + = min(pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_3D_LEVELS), + MAX_3D_TEXTURE_LEVELS); - pipe->max_texture_size(pipe, PIPE_TEXTURE_2D, &w, &h, &d); - ctx->Const.MaxTextureLevels = logbase2(w) + 1; - ctx->Const.MaxTextureRectSize = w; + c->MaxCubeTextureLevels + = min(pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS), + MAX_CUBE_TEXTURE_LEVELS); - pipe->max_texture_size(pipe, PIPE_TEXTURE_3D, &w, &h, &d); - ctx->Const.Max3DTextureLevels = logbase2(d) + 1; + c->MaxTextureRectSize + = min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE); - pipe->max_texture_size(pipe, PIPE_TEXTURE_CUBE, &w, &h, &d); - ctx->Const.MaxCubeTextureLevels = logbase2(w) + 1; - - ctx->Const.MaxDrawBuffers = MAX2(1, pipe->get_param(pipe, PIPE_CAP_MAX_RENDER_TARGETS)); + c->MaxTextureImageUnits + = c->MaxTextureCoordUnits + = min(pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS), + MAX_TEXTURE_IMAGE_UNITS); + c->MaxDrawBuffers + = clamp(pipe->get_param(pipe, PIPE_CAP_MAX_RENDER_TARGETS), + 1, MAX_DRAW_BUFFERS); } |